diff --git a/ChangeLog b/ChangeLog
index ca0e2d50..fbd54837 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-11-07  Markus Gans  <guru.mail@muenster.de>
+	* Simulate invisible characters on terminals that do not 
+	  support this attribute
+
 2017-11-04  Markus Gans  <guru.mail@muenster.de>
 	* Version 0.4.0
 	* Change license from GPL v3 to LGPL v3
diff --git a/src/foptiattr.cpp b/src/foptiattr.cpp
index 0ee55cb6..98a95dec 100644
--- a/src/foptiattr.cpp
+++ b/src/foptiattr.cpp
@@ -539,6 +539,10 @@ char* FOptiAttr::changeAttribute (char_data*& term, char_data*& next)
   if ( ! ( switchOn() || switchOff() || colorChange(term, next) ) )
     return 0;
 
+  // Simulate invisible characters
+  if ( ! F_enter_secure_mode.cap && next->attr.bit.invisible )
+    next->code = ' ';
+
   if ( cygwin_terminal && (term->fg_color > 7 || term->bg_color > 7) )
   {
     // reset blink and bold mode from colors > 7