diff --git a/templates/add_role_policy_permission.json.j2 b/templates/add_role_policy_permission.json.j2
index 0d14f44..5a2f9d2 100644
--- a/templates/add_role_policy_permission.json.j2
+++ b/templates/add_role_policy_permission.json.j2
@@ -106,7 +106,7 @@
       "type": "LAMBDA",
       "inputParameters": {
         "newpolicy": "${add_policy.output.body}",
-        "prevpolicies" : "${retrieve_default_permission_policies.output.body}"
+        "prevpolicies" : "${retrieve_default_permission_policies.output.body}",
         "scriptExpression": "return Java.to(Java.from($.prevpolicies).concat($newpolicy)),'java.util.Map[]')"
       }
     },