diff -r e606853325f1 -r 2d537f8cd604 vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java
--- a/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Thu Jan 31 20:37:12 2013 +0100
+++ b/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Fri Feb 01 06:09:18 2013 +0100
@@ -624,7 +624,7 @@
                     emit(out, "@1 >>>= @2;", smapper.getI(1), smapper.popI());
                     break;
                 case opc_lushr:
-                    emit(out, "@1 >>>= @2;", smapper.getL(1), smapper.popI());
+                    emit(out, "@1 = @1.ushr64(@2);", smapper.getL(1), smapper.popI());
                     break;
                 case opc_iinc: {
                     ++i;