diff --git a/src/main/java/org/parabot/core/asm/ASMClassLoader.java b/src/main/java/org/parabot/core/asm/ASMClassLoader.java
index c7d03c0..ee0478d 100644
--- a/src/main/java/org/parabot/core/asm/ASMClassLoader.java
+++ b/src/main/java/org/parabot/core/asm/ASMClassLoader.java
@@ -88,7 +88,12 @@ public class ASMClassLoader extends ClassLoader {
 	}
 
 	private final ProtectionDomain getDomain() {
-		CodeSource code = new CodeSource(null, (Certificate[]) null);
+		CodeSource code = null;
+		try {
+			code = new CodeSource(new URL("http://www.url.com/"), (Certificate[]) null);
+		} catch (MalformedURLException e) {
+			e.printStackTrace();
+		}
 		return new ProtectionDomain(code, getPermissions());
 	}
 
diff --git a/src/main/java/org/parabot/core/asm/adapters/AddSuperAdapter.java b/src/main/java/org/parabot/core/asm/adapters/AddSuperAdapter.java
index 55067a7..68b8aef 100644
--- a/src/main/java/org/parabot/core/asm/adapters/AddSuperAdapter.java
+++ b/src/main/java/org/parabot/core/asm/adapters/AddSuperAdapter.java
@@ -49,7 +49,9 @@ public class AddSuperAdapter implements Injectable {
 					AbstractInsnNode ain = (AbstractInsnNode) ili.next();
 					if (ain.getOpcode() == Opcodes.INVOKESPECIAL) {
 						MethodInsnNode min = (MethodInsnNode) ain;
-						min.owner = superClass;
+						if(!min.owner.equals(node.name)) {
+							min.owner = superClass;
+						}
 						break;
 					}
 				}