diff --git a/tests/integration/injection-test.js b/tests/integration/injection-test.js
index c24c4bdacbe..bf7400f9851 100644
--- a/tests/integration/injection-test.js
+++ b/tests/integration/injection-test.js
@@ -39,7 +39,7 @@ module('integration/injection factoryFor enabled', {
       }
     } else {
       originalLookupFactory = env.store.container.lookupFactory;
-      env.store.container.lookupFactory = function() {
+      env.store.container._lookupFactory = function() {
         return model;
       };
     }