diff --git a/resolvers/inbox.py b/resolvers/inbox.py
index a453eeac..fda6ecd4 100644
--- a/resolvers/inbox.py
+++ b/resolvers/inbox.py
@@ -34,6 +34,8 @@ async def add_user_to_chat(user_slug: str, chat_id: str, chat=None):
     chats_ids = await redis.execute("GET", f"chats_by_user/{user_slug}")
     if not chat:
         chat = await redis.execute("GET", f"chats/{chat_id}")
+        if chat:
+            chat = await json.loads(chat)
     if chats_ids:
         chats_ids = list(json.loads(chats_ids))
     else: