--- a/src/JavaMethodDescriptor.st	Sun Aug 14 19:36:39 2011 +0000
+++ b/src/JavaMethodDescriptor.st	Mon Aug 15 08:13:33 2011 +0000
@@ -131,7 +131,12 @@
 !
 
 returnClass
-    ^ return javaClass
+
+    ^return notNil ifTrue:[
+        return javaClass
+    ] ifFalse:[
+        nil            
+    ]
 
     "Created: / 25-11-2010 / 19:54:07 / Jan Vrany <jan.vrany@fit.cvut.cz>"
 !