diff --git a/main.py b/main.py
index 9d5b7bb..9eb17cb 100644
--- a/main.py
+++ b/main.py
@@ -124,7 +124,7 @@ async def fastapi_is_locked_by_me(network: str, req: Request):
 @app.post("/lockproject/")
 async def fastapi_lock_project(network: str, req: Request):
     client_host = req.client.host
-    if not str in lockedPrjs.keys():
+    if not network in lockedPrjs.keys():
         lockedPrjs[network] = client_host
         return client_host
     return ""