diff --git a/perxis/collections/helpers.py b/perxis/collections/helpers.py
index 28a74e449686e759ba86fa23499b7bed2ee881a0..0a0d66f8846908f2726628c974b5c84e6635174b 100644
--- a/perxis/collections/helpers.py
+++ b/perxis/collections/helpers.py
@@ -48,7 +48,7 @@ def init_collections(
             collection_schema = file.read()
 
         kwargs = {
-            **(collections_settings_mapping.get(collection_id).to_dict()),
+            **collections_settings_mapping.get(collection_id).to_dict(),
             "id": collection_id,
             "name": collection_name,
             "schema": collection_schema,