--- a/UIPainter.st	Mon Feb 03 11:43:14 2014 +0100
+++ b/UIPainter.st	Wed Feb 05 11:04:49 2014 +0100
@@ -6159,7 +6159,7 @@
 windowSpecClass:aClass
     "set the default windowSpecClass"
 
-    ^ windowSpecClass := aClass
+    windowSpecClass := aClass
 ! !
 
 !UIPainter::TreeView methodsFor:'accessing-property'!