--- a/MenuEditor.st	Wed Feb 16 11:20:05 2000 +0100
+++ b/MenuEditor.st	Wed Feb 16 13:40:28 2000 +0100
@@ -2220,7 +2220,8 @@
     clsName := (aspects at: #retriever) value.
 
     clsName size == 0 ifTrue:[
-        clsName := specClass
+        clsName := specClass.
+        clsName isNil ifTrue:[^ nil].
     ].
     ^ Smalltalk at:clsName ifAbsent:nil
 !