--- a/ImageEditor.st	Thu Sep 27 22:52:24 2012 +0200
+++ b/ImageEditor.st	Tue Oct 16 09:09:12 2012 +0200
@@ -4228,7 +4228,7 @@
 
     self assert:(aClass isNil or:[aClass isClass]).
 
-    (aClass isNil or:[aSelector]) isNil ifTrue:[
+    (aClass isNil or:[aSelector isNil]) ifTrue:[
         imageEditView resourceClass:aClass.
         imageEditView resourceSelector:aSelector.
         imageEditView image:nil.