diff -r 99f832e5765f -r 65f6fdfd34b6 src/main/java/org/apidesign/java4browser/ByteCodeToJavaScript.java
--- a/src/main/java/org/apidesign/java4browser/ByteCodeToJavaScript.java	Wed Sep 19 19:57:45 2012 +0200
+++ b/src/main/java/org/apidesign/java4browser/ByteCodeToJavaScript.java	Thu Sep 20 09:29:42 2012 +0200
@@ -376,6 +376,7 @@
                     i += 2;
                     break;
                 }
+                case bc_invokeinterface:
                 case bc_invokevirtual:
                     i = invokeVirtualMethod(byteCodes, i);
                     break;