diff --git a/templates/add_role_policy_permission.json.j2 b/templates/add_role_policy_permission.json.j2
index 0123586..732430e 100644
--- a/templates/add_role_policy_permission.json.j2
+++ b/templates/add_role_policy_permission.json.j2
@@ -69,7 +69,7 @@
 		          "type": "LAMBDA",
 		          "inputParameters": {
 			          "p": "${add_policy.output.body}",
-			          "scriptExpression": "Java.to([$.p],'java.util.Map[]')"
+			          "scriptExpression": "return Java.to([$.p],'java.util.Map[]')"
 		          }
 		        }
         ],
@@ -107,14 +107,14 @@
         "name" : "join",
         "type" : "JOIN",
         "taskReferenceName" : "join_prepare_policy_and_permission",
-        "joinOn" : ["retrieve_default_permission_policies","add_policy"]
+        "joinOn" : ["retrieve_default_permission_policies","to_array"]
     },
     {
 		  "name" : "pyrest",
 		  "taskReferenceName" : "finalize_permission",
 		  "type" : "SIMPLE",
 		  "inputParameters" : {
-			  "url" : "${init.input.keycloak_admin}/clients/${workflow.input.role.containerId}/authz/resource-server/permission/${retrieve_default_permission.output.body.id}",
+			  "url" : "${init.input.keycloak_admin}/clients/${workflow.input.role.containerId}/authz/resource-server/permission/${retrieve_default_permission.output.body[0].id}",
 			  "method" : "PUT",
 			  "headers" : {
 				  "Authorization" : "Bearer ${authorize.output.body.access_token}",