diff -r 3e9bfed0d88e -r 042d0f256e95 rt/vm/src/main/java/org/apidesign/vm4brwsr/VMLazy.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/VMLazy.java	Wed May 14 16:09:03 2014 +0200
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/VMLazy.java	Wed May 14 21:24:24 2014 +0200
@@ -38,9 +38,12 @@
     static void init() {
     }
     
-    static Object load(Object loader, String name, Object[] arguments) 
+    static Object load(Object loader, String name, Object[] arguments, byte[] arr) 
     throws IOException, ClassNotFoundException {
-        return new VMLazy(loader, arguments).load(name, false);
+        if (arr == null) {
+            throw new ClassNotFoundException(name);
+        }
+        return new VMLazy(loader, arguments).defineClass(arr, name, false);
     }
 
     static Object reload(Object loader, String name, Object[] arguments, byte[] arr)