.diff

diff --git a/core/src/main/java/org/jruby/runtime/Helpers.java b/core/src/main/java/org/jruby/runtime/Helpers.java
index 07ac5df306..7204facb7d 100644
--- a/core/src/main/java/org/jruby/runtime/Helpers.java
+++ b/core/src/main/java/org/jruby/runtime/Helpers.java
@@ -923,7 +923,7 @@ public class Helpers {
     public static RubyModule findImplementerIfNecessary(RubyModule clazz, RubyModule implementationClass) {
         if (implementationClass.needsImplementer()) {
             // modules are included with a shim class; we must find that shim to handle super() appropriately
-            return clazz.findImplementer(implementationClass);
+            return clazz.findImplementer(implementationClass).getMethodLocation();
         } else {
             // method is directly in a class, so just ensure we don't use any prepends
             return implementationClass.getMethodLocation();