diff -r b42bfe334128 -r 3754580b6c67 emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js
--- a/emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js	Mon Feb 04 09:41:33 2013 +0100
+++ b/emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js	Tue Feb 05 15:03:22 2013 +0100
@@ -203,5 +203,6 @@
     hi = ~hi;
     low = ~low;
     low += (low < 0) ? (__m32+1) : 0;
-    return hi.next32(low);
+    var ret = hi.next32(low);
+    return ret.add64(1);
 };