diff --git a/ChangeLog b/ChangeLog
index 6f17285e..7cd585aa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+2019-06-12  Markus Gans  <guru.mail@muenster.de>
+	* Fixes problem with scroll bar view after first draw
+
 2019-06-02  Markus Gans  <guru.mail@muenster.de>
 	* Avoid drawing the scroll bars if the widget is non-visible
 
diff --git a/examples/7segment.cpp b/examples/7segment.cpp
index 05353812..904b2508 100644
--- a/examples/7segment.cpp
+++ b/examples/7segment.cpp
@@ -110,10 +110,6 @@ void SegmentView::hexEncoding()
 //----------------------------------------------------------------------
 void SegmentView::get7Segment (const wchar_t c)
 {
-  sevenSegment& s = code[c];
-  constexpr char h[2]{' ', '_'};
-  constexpr char v[2]{' ', '|'};
-
   for (int i = 0; i < 3; i++)
     line[i].clear();
 
@@ -157,9 +153,16 @@ void SegmentView::get7Segment (const wchar_t c)
 
     default:
       // Hexadecimal digit from 0 up to f
-      line[0] <<   ' '  << h[s.a] <<   ' ';
-      line[1] << v[s.f] << h[s.g] << v[s.b];
-      line[2] << v[s.e] << h[s.d] << v[s.c];
+      if ( code.find(c) != code.end() )
+      {
+        sevenSegment& s = code[c];
+        constexpr char h[2]{' ', '_'};
+        constexpr char v[2]{' ', '|'};
+
+        line[0] <<   ' '  << h[s.a] <<   ' ';
+        line[1] << v[s.f] << h[s.g] << v[s.b];
+        line[2] << v[s.e] << h[s.d] << v[s.c];
+      }
   }
 }
 
diff --git a/src/flistbox.cpp b/src/flistbox.cpp
index 3589f6e4..7343d05f 100644
--- a/src/flistbox.cpp
+++ b/src/flistbox.cpp
@@ -832,8 +832,16 @@ void FListBox::draw()
   if ( isMonochron() )
     setReverse(false);
 
-  vbar->redraw();
-  hbar->redraw();
+  if ( ! hbar->isShown() && isHorizontallyScrollable() )
+    hbar->show();
+  else
+    vbar->redraw();
+
+  if ( ! vbar->isShown() && isVerticallyScrollable() )
+    vbar->show();
+  else
+    hbar->redraw();
+
   drawList();
 
   if ( flags.focus && getStatusBar() )
diff --git a/src/flistview.cpp b/src/flistview.cpp
index 09a6b7dc..cc09e0a8 100644
--- a/src/flistview.cpp
+++ b/src/flistview.cpp
@@ -1491,8 +1491,16 @@ void FListView::draw()
   if ( isMonochron() )
     setReverse(false);
 
-  vbar->redraw();
-  hbar->redraw();
+  if ( ! hbar->isShown() && isHorizontallyScrollable() )
+    hbar->show();
+  else
+    vbar->redraw();
+
+  if ( ! vbar->isShown() && isVerticallyScrollable() )
+    vbar->show();
+  else
+    hbar->redraw();
+
   drawList();
 
   if ( flags.focus && getStatusBar() )
diff --git a/src/fscrollview.cpp b/src/fscrollview.cpp
index 5d080512..66c65ede 100644
--- a/src/fscrollview.cpp
+++ b/src/fscrollview.cpp
@@ -75,7 +75,9 @@ void FScrollView::setScrollWidth (std::size_t width)
   hbar->setMaximum (int(width - getViewportWidth()));
   hbar->setPageSize (int(width), int(getViewportWidth()));
   hbar->calculateSliderValues();
-  setHorizontalScrollBarVisibility();
+
+  if ( isShown() )
+    setHorizontalScrollBarVisibility();
 }
 
 //----------------------------------------------------------------------
@@ -102,7 +104,9 @@ void FScrollView::setScrollHeight (std::size_t height)
   vbar->setMaximum (int(height - getViewportHeight()));
   vbar->setPageSize (int(height), int(getViewportHeight()));
   vbar->calculateSliderValues();
-  setVerticalScrollBarVisibility();
+
+  if ( isShown() )
+    setVerticalScrollBarVisibility();
 }
 
 //----------------------------------------------------------------------
@@ -143,12 +147,16 @@ void FScrollView::setScrollSize (const FSize& size)
   hbar->setMaximum (int(width - getViewportWidth()));
   hbar->setPageSize (int(width), int(getViewportWidth()));
   hbar->calculateSliderValues();
-  setHorizontalScrollBarVisibility();
 
   vbar->setMaximum (int(height - getViewportHeight()));
   vbar->setPageSize (int(height), int(getViewportHeight()));
   vbar->calculateSliderValues();
-  setVerticalScrollBarVisibility();
+
+  if ( isShown() )
+  {
+    setHorizontalScrollBarVisibility();
+    setVerticalScrollBarVisibility();
+  }
 }
 
 //----------------------------------------------------------------------
@@ -296,14 +304,18 @@ bool FScrollView::setBorder (bool enable)
 void FScrollView::setHorizontalScrollBarMode (fc::scrollBarMode mode)
 {
   hMode = mode;
-  setHorizontalScrollBarVisibility();
+
+  if ( isShown() )
+    setHorizontalScrollBarVisibility();
 }
 
 //----------------------------------------------------------------------
 void FScrollView::setVerticalScrollBarMode (fc::scrollBarMode mode)
 {
   vMode = mode;
-  setVerticalScrollBarVisibility();
+
+  if ( isShown() )
+    setVerticalScrollBarVisibility();
 }
 
 //----------------------------------------------------------------------
@@ -428,6 +440,13 @@ void FScrollView::draw()
 
   setViewportPrint();
   copy2area();
+
+  if ( ! hbar->isShown() )
+    setHorizontalScrollBarVisibility();
+
+  if ( ! vbar->isShown() )
+    setVerticalScrollBarVisibility();
+
   vbar->redraw();
   hbar->redraw();
 }
@@ -639,7 +658,6 @@ void FScrollView::adjustSize()
   hbar->setWidth (width - 2, false);
   hbar->setValue (xoffset);
   hbar->resize();
-  setHorizontalScrollBarVisibility();
 
   vbar->setMaximum (int(getScrollHeight() - getViewportHeight()));
   vbar->setPageSize (int(getScrollHeight()), int(getViewportHeight()));
@@ -647,7 +665,12 @@ void FScrollView::adjustSize()
   vbar->setHeight (height - 2, false);
   vbar->setValue (yoffset);
   vbar->resize();
-  setVerticalScrollBarVisibility();
+
+  if ( isShown() )
+  {
+    setHorizontalScrollBarVisibility();
+    setVerticalScrollBarVisibility();
+  }
 }
 
 //----------------------------------------------------------------------
@@ -814,9 +837,6 @@ void FScrollView::calculateScrollbarPos()
 //----------------------------------------------------------------------
 void FScrollView::setHorizontalScrollBarVisibility()
 {
-  if ( ! isShown() )
-    return;
-
   switch ( hMode )
   {
     case fc::Auto:
@@ -839,9 +859,6 @@ void FScrollView::setHorizontalScrollBarVisibility()
 //----------------------------------------------------------------------
 void FScrollView::setVerticalScrollBarVisibility()
 {
-  if ( ! isShown() )
-    return;
-
   switch ( vMode )
   {
     case fc::Auto:
diff --git a/src/fterm.cpp b/src/fterm.cpp
index 51911349..daebdc49 100644
--- a/src/fterm.cpp
+++ b/src/fterm.cpp
@@ -515,7 +515,7 @@ void FTerm::detectTermSize()
   auto& term_geometry = data->getTermGeometry();
 
   if ( fsys )
-    ret = fsys->ioControl (fd, TIOCGWINSZ, &win_size);
+    ret = fsys->ioctl (fd, TIOCGWINSZ, &win_size);
   else
     ret = -1;
 
@@ -962,7 +962,7 @@ void FTerm::init_global_values (bool disable_alt_screen)
   // Preset to false
   data->setNewFont(false);
 
-  // Sets alternative screen usage
+  // Sets alternate screen usage
   data->useAlternateScreen(! disable_alt_screen);
 
   // Initialize xterm object
@@ -1693,6 +1693,8 @@ inline void FTerm::disableApplicationEscKey()
 //----------------------------------------------------------------------
 void FTerm::useAlternateScreenBuffer()
 {
+  // Switch to the alternate screen
+
   if ( ! hasAlternateScreen() )
     return;
 
@@ -1714,6 +1716,8 @@ void FTerm::useAlternateScreenBuffer()
 //----------------------------------------------------------------------
 void FTerm::useNormalScreenBuffer()
 {
+  // Switch to the normal screen
+
   if ( ! hasAlternateScreen() )
     return;
 
@@ -1880,6 +1884,7 @@ void FTerm::init (bool disable_alt_screen)
   // Enter 'keyboard_transmit' mode
   enableKeypad();
 
+  // Switch to the alternate screen
   useAlternateScreenBuffer();
 
   // Enable alternate charset
@@ -2032,6 +2037,7 @@ void FTerm::finish()
   if ( isXTerminal() )
     xterm->metaSendsESC(false);
 
+  // Switch to the normal screen
   useNormalScreenBuffer();
 
   // leave 'keyboard_transmit' mode
diff --git a/src/ftermfreebsd.cpp b/src/ftermfreebsd.cpp
index e2ef752e..50123e3c 100644
--- a/src/ftermfreebsd.cpp
+++ b/src/ftermfreebsd.cpp
@@ -61,7 +61,7 @@ void FTermFreeBSD::setCursorStyle (CursorStyle style, bool hidden)
   if ( hidden )
     return;
 
-  fsysten->ioControl (0, CONS_CURSORTYPE, &style);
+  fsysten->ioctl (0, CONS_CURSORTYPE, &style);
 }
 
 //----------------------------------------------------------------------
@@ -71,7 +71,7 @@ bool FTermFreeBSD::isFreeBSDConsole()
 
   keymap_t keymap;
 
-  if ( fsysten && fsysten->ioControl(0, GIO_KEYMAP, &keymap) == 0 )
+  if ( fsysten && fsysten->ioctl(0, GIO_KEYMAP, &keymap) == 0 )
     return true;
   else
     return false;
@@ -149,7 +149,7 @@ bool FTermFreeBSD::saveFreeBSDAltKey()
   keymap_t keymap;
 
   if ( fsystem )
-    ret = fsysten->ioControl (0, GIO_KEYMAP, &keymap);
+    ret = fsysten->ioctl (0, GIO_KEYMAP, &keymap);
 
   if ( ret < 0 )
     return false;
@@ -169,7 +169,7 @@ bool FTermFreeBSD::setFreeBSDAltKey (uInt key)
   keymap_t keymap;
 
   if ( fsystem )
-    ret = fsysten->ioControl (0, GIO_KEYMAP, &keymap);
+    ret = fsysten->ioctl (0, GIO_KEYMAP, &keymap);
 
   if ( ret < 0 )
     return false;
@@ -178,7 +178,7 @@ bool FTermFreeBSD::setFreeBSDAltKey (uInt key)
   keymap.key[left_alt].map[0] = key;
 
   if ( (keymap.n_keys > 0)
-    && fsystem && (fsysten->ioControl(0, PIO_KEYMAP, &keymap) < 0) )
+    && fsystem && (fsysten->ioctl(0, PIO_KEYMAP, &keymap) < 0) )
     return false;
   else
     return true;
diff --git a/src/ftermios.cpp b/src/ftermios.cpp
index cb18c3f1..d11f0633 100644
--- a/src/ftermios.cpp
+++ b/src/ftermios.cpp
@@ -230,7 +230,10 @@ uInt FTermios::getBaudRate()
   outspeed[B115200] = 115200;  // 115,200 baud
   outspeed[B230400] = 230400;  // 230,400 baud
 
-  return outspeed[cfgetospeed(&term_init)];
+  if ( outspeed.find(cfgetospeed(&term_init)) != outspeed.end() )
+    return outspeed[cfgetospeed(&term_init)];
+
+  return 0;
 }
 
 }  // namespace finalcut
diff --git a/src/ftermlinux.cpp b/src/ftermlinux.cpp
index 134691ad..0fff2872 100644
--- a/src/ftermlinux.cpp
+++ b/src/ftermlinux.cpp
@@ -144,7 +144,7 @@ bool FTermLinux::isLinuxConsole()
 
   // get keyboard type an compare
   return ( fsystem->isTTY(fd_tty)
-        && fsystem->ioControl(fd_tty, KDGKBTYPE, &arg) == 0
+        && fsystem->ioctl(fd_tty, KDGKBTYPE, &arg) == 0
         && ((arg == KB_101) || (arg == KB_84)) );
 }
 
@@ -496,8 +496,8 @@ int FTermLinux::getFramebuffer_bpp()
       return -1;
   }
 
-  if ( ! fsystem->ioControl(fd, FBIOGET_VSCREENINFO, &fb_var)
-    && ! fsystem->ioControl(fd, FBIOGET_FSCREENINFO, &fb_fix) )
+  if ( ! fsystem->ioctl(fd, FBIOGET_VSCREENINFO, &fb_var)
+    && ! fsystem->ioctl(fd, FBIOGET_FSCREENINFO, &fb_fix) )
   {
     fsystem->close(fd);
     return int(fb_var.bits_per_pixel);
@@ -543,7 +543,7 @@ bool FTermLinux::getScreenFont()
 
   // font operation
   if ( fsystem )
-    ret = fsystem->ioControl (fd_tty, KDFONTOP, &font);
+    ret = fsystem->ioctl (fd_tty, KDFONTOP, &font);
 
   if ( ret == 0 )
   {
@@ -571,7 +571,7 @@ bool FTermLinux::getUnicodeMap()
 
   // get count
   if ( fsystem )
-    ret = fsystem->ioControl (fd_tty, GIO_UNIMAP, &screen_unicode_map);
+    ret = fsystem->ioctl (fd_tty, GIO_UNIMAP, &screen_unicode_map);
 
   if ( ret != 0 )
   {
@@ -592,7 +592,7 @@ bool FTermLinux::getUnicodeMap()
 
     // get unicode-to-font mapping from kernel
     if ( fsystem )
-      ret = fsystem->ioControl (fd_tty, GIO_UNIMAP, &screen_unicode_map);
+      ret = fsystem->ioctl (fd_tty, GIO_UNIMAP, &screen_unicode_map);
 
     if ( ret != 0 )
       return false;
@@ -612,7 +612,7 @@ FTermLinux::modifier_key& FTermLinux::getModifierKey()
   std::memset (&mod_key, 0x00, sizeof(mod_key));
 
   // TIOCLINUX, subcode = 6 (TIOCL_GETSHIFTSTATE)
-  if ( fsystem && fsystem->ioControl(0, TIOCLINUX, &subcode) >= 0 )
+  if ( fsystem && fsystem->ioctl(0, TIOCLINUX, &subcode) >= 0 )
   {
     if ( subcode & (1 << KG_SHIFT) )
       mod_key.shift = true;
@@ -676,7 +676,7 @@ int FTermLinux::setScreenFont ( uChar fontdata[], uInt count
 
   // font operation
   if ( fsystem )
-    ret = fsystem->ioControl (fd_tty, KDFONTOP, &font);
+    ret = fsystem->ioctl (fd_tty, KDFONTOP, &font);
 
   if ( ret != 0 && errno != ENOSYS && errno != EINVAL )
   {
@@ -713,14 +713,14 @@ int FTermLinux::setUnicodeMap (struct unimapdesc* unimap)
   {
     // clear the unicode-to-font table
     if ( fsystem )
-      ret = fsystem->ioControl (fd_tty, PIO_UNIMAPCLR, &advice);
+      ret = fsystem->ioctl (fd_tty, PIO_UNIMAPCLR, &advice);
 
     if ( ret != 0 )
       return -1;
 
     // put the new unicode-to-font mapping in kernel
     if ( fsystem )
-      ret = fsystem->ioControl (fd_tty, PIO_UNIMAP, unimap);
+      ret = fsystem->ioctl (fd_tty, PIO_UNIMAP, unimap);
 
     if ( ret != 0 )
       advice.advised_hashlevel++;
@@ -840,7 +840,7 @@ int FTermLinux::setBlinkAsIntensity (bool enable)
     return -1;
 
   // Enable access to VGA I/O ports  (from 0x3B4 with num = 0x2C)
-  if ( fsystem->ioControl(fd_tty, KDENABIO, 0) < 0 )
+  if ( fsystem->ioctl(fd_tty, KDENABIO, 0) < 0 )
     return -1;  // error on KDENABIO
 
   if ( enable )
@@ -849,7 +849,7 @@ int FTermLinux::setBlinkAsIntensity (bool enable)
     setAttributeMode (getAttributeMode() | 0x08);  // set bit 3
 
   // Disable access to VGA I/O ports
-  if ( fsystem->ioControl(fd_tty, KDDISABIO, 0) < 0 )
+  if ( fsystem->ioctl(fd_tty, KDDISABIO, 0) < 0 )
     return -1;  // error on KDDISABIO
 
   return 0;
@@ -869,7 +869,7 @@ bool FTermLinux::setVGAPalette (FColor index, int r, int g, int b)
     cmap.color[index].blue  = uChar(b);
   }
 
-  if ( fsystem && fsystem->ioControl (0, PIO_CMAP, &cmap) )
+  if ( fsystem && fsystem->ioctl (0, PIO_CMAP, &cmap) )
     return false;
   else
     return true;
@@ -880,7 +880,7 @@ bool FTermLinux::saveVGAPalette()
 {
   // Save the current vga color map
 
-  if ( fsystem && fsystem->ioControl (0, GIO_CMAP, &saved_color_map) )
+  if ( fsystem && fsystem->ioctl (0, GIO_CMAP, &saved_color_map) )
     has_saved_palette = false;
   else
     has_saved_palette = true;
@@ -898,7 +898,7 @@ bool FTermLinux::resetVGAPalette()
 
   if ( has_saved_palette )
   {
-    if ( fsystem->ioControl (0, PIO_CMAP, &saved_color_map) )
+    if ( fsystem->ioctl (0, PIO_CMAP, &saved_color_map) )
       return false;
   }
   else
@@ -922,7 +922,7 @@ bool FTermLinux::resetVGAPalette()
       cmap.color[index].blue  = defaultColor[index].blue;
     }
 
-    if ( fsystem->ioControl (0, PIO_CMAP, &cmap) )
+    if ( fsystem->ioctl (0, PIO_CMAP, &cmap) )
       return false;
   }
 
diff --git a/src/ftermopenbsd.cpp b/src/ftermopenbsd.cpp
index aa0c90ef..792680c1 100644
--- a/src/ftermopenbsd.cpp
+++ b/src/ftermopenbsd.cpp
@@ -47,7 +47,7 @@ bool FTermOpenBSD::isBSDConsole()
   static kbd_t kbdencoding;
 
   if ( fsystem
-    && fsysten->ioControl(0, WSKBDIO_GETENCODING, &kbdencoding) == 0 )
+    && fsysten->ioctl(0, WSKBDIO_GETENCODING, &kbdencoding) == 0 )
     return true;
   else
     return false;
@@ -92,7 +92,7 @@ bool FTermOpenBSD::saveBSDConsoleEncoding()
   int ret = -1;
 
   if ( fsystem )
-    ret = fsysten->ioControl (0, WSKBDIO_GETENCODING, &k_encoding);
+    ret = fsysten->ioctl (0, WSKBDIO_GETENCODING, &k_encoding);
 
   if ( ret < 0 )
     return false;
@@ -106,7 +106,7 @@ bool FTermOpenBSD::saveBSDConsoleEncoding()
 bool FTermOpenBSD::setBSDConsoleEncoding (kbd_t k_encoding)
 {
   if ( fsysten
-    && fsysten->ioControl(0, WSKBDIO_SETENCODING, &k_encoding) < 0 )
+    && fsysten->ioctl(0, WSKBDIO_SETENCODING, &k_encoding) < 0 )
     return false;
   else
     return true;
diff --git a/src/fvterm.cpp b/src/fvterm.cpp
index 663f91b8..ce2e51bb 100644
--- a/src/fvterm.cpp
+++ b/src/fvterm.cpp
@@ -2797,7 +2797,7 @@ inline void FVTerm::characterFilter (charData*& next_char)
 {
   FTerm::characterSub& sub_map = fterm->getCharSubstitutionMap();
 
-  if ( sub_map[next_char->encoded_code] )
+  if ( sub_map.find(next_char->encoded_code) != sub_map.end() )
     next_char->encoded_code = sub_map[next_char->encoded_code];
 }
 
diff --git a/src/include/final/fmouse.h b/src/include/final/fmouse.h
index fd22986f..d3d2ddf6 100644
--- a/src/include/final/fmouse.h
+++ b/src/include/final/fmouse.h
@@ -511,7 +511,6 @@ class FMouseControl
 
     // Data Member
     std::map<FMouse::mouse_type, FMouse*> mouse_protocol{};
-    std::map<FMouse::mouse_type, FMouse*>::iterator iter{};
     FPoint zero_point{0, 0};
     bool   use_gpm_mouse{false};
     bool   use_xterm_mouse{false};
diff --git a/src/include/final/fsystem.h b/src/include/final/fsystem.h
index f351fce3..2e2e80df 100644
--- a/src/include/final/fsystem.h
+++ b/src/include/final/fsystem.h
@@ -60,7 +60,7 @@ class FSystem
     virtual uChar inPortByte (uShort) = 0;
     virtual void outPortByte (uChar, uShort) = 0;
     virtual int isTTY (int) = 0;
-    virtual int ioControl (int, uLong, ...) = 0;
+    virtual int ioctl (int, uLong, ...) = 0;
     virtual int open (const char*, int, ...) = 0;
     virtual int close (int) = 0;
     virtual FILE* fopen (const char*, const char*) = 0;
diff --git a/src/include/final/fsystemimpl.h b/src/include/final/fsystemimpl.h
index 4c30b7df..cadab4b6 100644
--- a/src/include/final/fsystemimpl.h
+++ b/src/include/final/fsystemimpl.h
@@ -99,7 +99,7 @@ class FSystemImpl : public FSystem
       return ::isatty(fd);
     }
 
-    virtual int ioControl (int fd, uLong request, ...)
+    virtual int ioctl (int fd, uLong request, ...)
     {
       va_list args;
       va_start (args, request);
diff --git a/src/include/final/ftermdetection.h b/src/include/final/ftermdetection.h
index 6da6905a..d071ea30 100644
--- a/src/include/final/ftermdetection.h
+++ b/src/include/final/ftermdetection.h
@@ -159,13 +159,6 @@ class FTermDetection final
     // Methods
     static void           detect();
 
-    // Data Members
-#if DEBUG
-    static char           termtype_256color[256];
-    static char           termtype_Answerback[256];
-    static char           termtype_SecDA[256];
-#endif
-
   private:
     // Methods
     static void           deallocation();
@@ -201,6 +194,11 @@ class FTermDetection final
     static char*          secDA_Analysis_vte (char[]);
 
     // Data Members
+#if DEBUG
+    static char           termtype_256color[256];
+    static char           termtype_Answerback[256];
+    static char           termtype_SecDA[256];
+#endif
     static char           termtype[256];
     static char           ttytypename[256];
     static bool           decscusr_support;