diff --git a/modules/OfflinePayments/Http/Controllers/Settings.php b/modules/OfflinePayments/Http/Controllers/Settings.php
index 0dac4ccee..704b3334a 100644
--- a/modules/OfflinePayments/Http/Controllers/Settings.php
+++ b/modules/OfflinePayments/Http/Controllers/Settings.php
@@ -34,7 +34,13 @@ class Settings extends Controller
      */
     public function update(Request $request)
     {
-        if (!empty($request->get('update_code'))) {
+        $methods = json_decode(setting('offline-payments.methods'), true);
+        if(array_search($request->update_code, array_column($methods, 'code')) == false) {
+            $request->merge(['code_exists' => false]);
+        }else{
+            $request->merge(['code_exists' => true]);
+        }
+        if (!empty($request->get('update_code')) && $request->get('code_exists') == true) {
             $payment_method = $this->dispatch(new UpdatePaymentMethod($request));
 
             $message = trans('messages.success.updated', ['type' => $payment_method['name']]);