diff --git a/parabotv2/src/org/parabot/core/asm/adapters/AddInterfaceAdapter.java b/parabotv2/src/org/parabot/core/asm/adapters/AddInterfaceAdapter.java
index b4d7bff..5835daf 100644
--- a/parabotv2/src/org/parabot/core/asm/adapters/AddInterfaceAdapter.java
+++ b/parabotv2/src/org/parabot/core/asm/adapters/AddInterfaceAdapter.java
@@ -1,5 +1,8 @@
 package org.parabot.core.asm.adapters;
 
+import java.lang.reflect.Modifier;
+
+import org.objectweb.asm.Opcodes;
 import org.objectweb.asm.tree.ClassNode;
 import org.parabot.core.Core;
 import org.parabot.core.asm.ASMUtils;
@@ -43,6 +46,15 @@ public class AddInterfaceAdapter implements Injectable {
 	}
 
 	protected static void addInterface(ClassNode node, String i) {
+		if (!Modifier.isPublic(node.access)) {
+			if (Modifier.isPrivate(node.access)) {
+				node.access = node.access & (~Opcodes.ACC_PRIVATE);
+			}
+			if (Modifier.isProtected(node.access)) {
+				node.access = node.access & (~Opcodes.ACC_PROTECTED);
+			}
+			node.access = node.access | Opcodes.ACC_PUBLIC;
+		}
 		node.interfaces.add(i);
 	}