--- a/ImageEditor.st	Sat Feb 27 23:17:14 2016 +0100
+++ b/ImageEditor.st	Wed Mar 02 17:13:57 2016 +0100
@@ -1,5 +1,3 @@
-"{ Encoding: utf8 }"
-
 "
  COPYRIGHT (c) 1997-1998 by eXept Software AG
               All Rights Reserved
@@ -4732,7 +4730,9 @@
     self tileModeHolder value ifTrue:[
         self imagePreView tileMode:true tileOffset:(self image extent).
     ].
-    self imagePreView setImage:(self image) scroll:false invalidate:true.
+    self imagePreView 
+        setImage:(self image) scroll:false invalidate:false; "/ true.
+        invalidate.
 ! !
 
 !ImageEditor methodsFor:'queries'!
@@ -6755,6 +6755,7 @@
     "reverses last edit action"
 
     imageEditView undo.
+    self updateImagePreView
 ! !
 
 !ImageEditor methodsFor:'user actions-image sequences'!