diff --git a/api/kiwi_vpn_api/routers/admin.py b/api/kiwi_vpn_api/routers/admin.py
index ce03583..99dfdeb 100644
--- a/api/kiwi_vpn_api/routers/admin.py
+++ b/api/kiwi_vpn_api/routers/admin.py
@@ -58,7 +58,7 @@ async def create_initial_admin(
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST)
 
     with Connection.session as db:
-        if db.exec(select(User)).first() is not None:
+        if db.exec(select(User).limit(1)).first() is not None:
             raise HTTPException(status_code=status.HTTP_409_CONFLICT)
 
     # create an administrative user