diff --git a/templates/group_created.json.j2 b/templates/group_created.json.j2
index f5fb321..b141220 100644
--- a/templates/group_created.json.j2
+++ b/templates/group_created.json.j2
@@ -441,7 +441,7 @@
       "inputParameters": {
         "memberpolicy" : "${create_role_policy_member.output.body.id}",
         "otherpolicies" : "${join_role_creation.output.body.id}",
-        "scriptExpression": "return Java.to($.memberpolicy.concat(otherpolicy),'java.lang.String[]')"
+        "scriptExpression": "return Java.to($.memberpolicy.concat(otherpolicies),'java.lang.String[]')"
       }
     },
 		{