diff --git a/.bettercodehub.yml b/.bettercodehub.yml
index 67f9bc0e..ff3064b3 100644
--- a/.bettercodehub.yml
+++ b/.bettercodehub.yml
@@ -1,10 +1,13 @@
 exclude:
-- /fonts/newfont.h
-- /fonts/vgafont.h
-- /fonts/unicodemap.h
+- /fonts/.*
+- /scripts/.*
+- /doc/.*
 - /build.sh
 - /ltmain.sh
 component_depth: 3
+test:
+  include:
+  - /test/.*
 languages:
 - cpp
 - script
diff --git a/include/final/fdialog.h b/include/final/fdialog.h
index 91bc8db4..ae825b41 100644
--- a/include/final/fdialog.h
+++ b/include/final/fdialog.h
@@ -186,6 +186,8 @@ class FDialog : public FWindow
     void                drawTitleBar();
     void                drawBarButton();
     void                drawZoomButton();
+    void                drawRestoreSizeButton();
+    void                drawZoomedButton();
     void                drawTextBar();
     void                restoreOverlaidWindows();
     void                setCursorToFocusWidget();
diff --git a/src/fdialog.cpp b/src/fdialog.cpp
index 90070580..5461afbe 100644
--- a/src/fdialog.cpp
+++ b/src/fdialog.cpp
@@ -1132,49 +1132,57 @@ void FDialog::drawZoomButton()
     setColor (wc.titlebar_button_fg, wc.titlebar_button_bg);
 
   if ( isZoomed() )
+    drawRestoreSizeButton();
+  else
+    drawZoomedButton();
+}
+
+//----------------------------------------------------------------------
+inline void FDialog::drawRestoreSizeButton()
+{
+  if ( isNewFont() )
   {
-    if ( isNewFont() )
+    print (fc::NF_rev_down_pointing_triangle1);
+    print (fc::NF_rev_down_pointing_triangle2);
+  }
+  else
+  {
+    if ( isMonochron() )
     {
-      print (fc::NF_rev_down_pointing_triangle1);
-      print (fc::NF_rev_down_pointing_triangle2);
+      print ('[');
+      print (fc::BlackDownPointingTriangle);  // ▼
+      print (']');
     }
     else
     {
-      if ( isMonochron() )
-      {
-        print ('[');
-        print (fc::BlackDownPointingTriangle);  // ▼
-        print (']');
-      }
-      else
-      {
-        print (' ');
-        print (fc::BlackDownPointingTriangle);  // ▼
-        print (' ');
-      }
+      print (' ');
+      print (fc::BlackDownPointingTriangle);  // ▼
+      print (' ');
     }
   }
-  else  // is not zoomed
+}
+
+//----------------------------------------------------------------------
+inline void FDialog::drawZoomedButton()
+{
+  if ( isNewFont() )
   {
-    if ( isNewFont() )
+    print (fc::NF_rev_up_pointing_triangle1);
+    print (fc::NF_rev_up_pointing_triangle2);
+  }
+  else
+  {
+    if ( isMonochron() )
     {
-      print (fc::NF_rev_up_pointing_triangle1);
-      print (fc::NF_rev_up_pointing_triangle2);
+      print ('[');
+      print (fc::BlackUpPointingTriangle);  // ▲
+      print (']');
     }
     else
     {
-      if ( isMonochron() )
-      {
-        print ('[');
-        print (fc::BlackUpPointingTriangle);  // ▲
-        print (']');
-      }
-      else
-      {
-        print (' ');
-        print (fc::BlackUpPointingTriangle);  // ▲
-        print (' ');
-      }
+      print (' ');
+      print (fc::BlackUpPointingTriangle);  // ▲
+      print (' ');
     }
   }
 }