diff -r 99fa4fe6b980 -r fa42b3d8cbbc vm/src/main/java/org/apidesign/vm4brwsr/VM.java
--- a/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Tue Feb 05 13:19:06 2013 +0100
+++ b/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Thu Feb 07 13:41:56 2013 +0100
@@ -120,10 +120,11 @@
               "  global.bck2brwsr = function() {\n"
             + "    var args = arguments;\n"
             + "    var loader = {};\n"
+            + "    var init = null;\n"
             + "    loader.vm = vm;\n"
             + "    if (args.length == 1 && typeof args[0] !== 'function') {;\n"
             + "      var classpath = args[0];\n"
-            + "      args[0] = function(name) {\n"
+            + "      init = args[0] = function(name) {\n"
             + "        return vm.org_apidesign_vm4brwsr_Zips(false).loadFromCp___3B_3Ljava_lang_Object_2Ljava_lang_String_2(classpath, name);\n"
             + "      };\n"
             + "    };\n"
@@ -142,6 +143,7 @@
             + "        return args[0](name);\n"
             + "      }\n"
             + "    }\n"
+            + "    if (init) init(null);\n"
             + "    return loader;\n"
             + "  };\n");
         out.append("}(this));");