diff --git a/app/Http/Controllers/TicketController.php b/app/Http/Controllers/TicketController.php
index 1a7bb07..66931e0 100644
--- a/app/Http/Controllers/TicketController.php
+++ b/app/Http/Controllers/TicketController.php
@@ -194,8 +194,10 @@ class TicketController extends Controller
         $user = auth()->user();
 
         if ($request->subscribe) {
-            $user->subscriptions()->attach($ticket->id);
-        } else {
+            if (!$user->subscriptions()->find($ticket->id)) {
+                $user->subscriptions()->attach($ticket->id);
+            }
+        } elseif ($user->subscriptions()->find($ticket->id)) {
             $user->subscriptions()->detach($ticket->id);
         }