--- a/ImageEditor.st	Fri Jun 05 21:03:44 2009 +0200
+++ b/ImageEditor.st	Fri Jun 05 21:09:34 2009 +0200
@@ -5007,6 +5007,7 @@
 
     cmapIndex := self selectedColorIndexOrNil.
     cmapIndex isNil ifTrue:[^ nil].
+    cmapIndex == 0 ifTrue:[^ nil].
 
     img := self image.
     cMap := img colorMap.