diff -r e1953d8b8338 -r cf6d5d357696 rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Sat Mar 19 10:31:13 2016 +0100
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Sun Mar 20 08:12:55 2016 +0100
@@ -339,7 +339,11 @@
             }
         }
         append("\n    ]; };");
-        append("\n    CLS.$class.access = ").append(jc.getAccessFlags()+";");
+        int flags = jc.getAccessFlags();
+        if (jc.hasEnclosingMethod()) {
+            flags |= 0x10000;
+        }
+        append("\n    CLS.$class.access = ").append(flags+";");
         append("\n    CLS.$class.cnstr = CLS;");
         byte[] classAnno = jc.findAnnotationData(false);
         if (classAnno != null) {