diff --git a/src/Classes/PaytabsPayment.php b/src/Classes/PaytabsPayment.php
index f7de08c..455ee07 100644
--- a/src/Classes/PaytabsPayment.php
+++ b/src/Classes/PaytabsPayment.php
@@ -100,7 +100,7 @@ public function pay(
 
     public function verify(Request $request): array
     {
-        $payment_id = $request->tranRef!=null?$request->tranRef:Cache::get($request->payment_id);
+        $payment_id = $request->tranRef!=null?$request->tranRef:Cache::get($request['tranRef']);
         Cache::forget($request['tranRef']);
 
         $response = Http::withHeaders([