diff --git a/app/Http/Controllers/RoomControlController.php b/app/Http/Controllers/RoomControlController.php
index 272c2c7..954dede 100644
--- a/app/Http/Controllers/RoomControlController.php
+++ b/app/Http/Controllers/RoomControlController.php
@@ -185,7 +185,7 @@ class RoomControlController extends Controller
             $roomName = $matches[2];             // '101'
         }
         $branch=Branch::where('name',$validated['branch_name'])->first();
-        $room = Room::where('branch', $branch->id)
+        $room = Room::where('branch_id', $branch->id)
             ->where('name', $roomName)
             ->where('type', $roomType)
             ->first();