diff --git a/pg_backup_api/pg_backup_api/logic/utility_controller.py b/pg_backup_api/pg_backup_api/logic/utility_controller.py
index 46b0858..326b64d 100644
--- a/pg_backup_api/pg_backup_api/logic/utility_controller.py
+++ b/pg_backup_api/pg_backup_api/logic/utility_controller.py
@@ -73,10 +73,13 @@ def diagnose() -> 'Response':
         else:
             server_dict[server] = Server(conf)
 
+    available_models = barman.__config__.model_names()
+    models = [barman.__config__.get_model(x) for x in available_models]
+
     # errors list with duplicate paths between servers
     errors_list = barman.__config__.servers_msg_list
 
-    barman_diagnose.exec_diagnose(server_dict, errors_list)
+    barman_diagnose.exec_diagnose(server_dict, models, errors_list, show_config_source=False)
 
     # new outputs are appended, so grab the last one
     stored_output = json.loads(output._writer.json_output["_INFO"][-1])