diff -r eb35680d5094 -r 977cc6141083 rt/emul/mini/src/main/java/java/lang/Object.java
--- a/rt/emul/mini/src/main/java/java/lang/Object.java	Wed Feb 27 17:31:52 2013 +0100
+++ b/rt/emul/mini/src/main/java/java/lang/Object.java	Fri May 03 18:15:47 2013 +0200
@@ -246,7 +246,7 @@
     }
 
     @JavaScriptBody(args = "self", body = 
-          "\nif (!self.$instOf_java_lang_Cloneable) {"
+          "\nif (!self['$instOf_java_lang_Cloneable']) {"
         + "\n  return null;"
         + "\n} else {"
         + "\n  var clone = self.constructor(true);"