diff --git a/src/Controller/Admin/CustomerController.php b/src/Controller/Admin/CustomerController.php
index 6336b66d..552b4d9c 100644
--- a/src/Controller/Admin/CustomerController.php
+++ b/src/Controller/Admin/CustomerController.php
@@ -78,7 +78,7 @@ public function searchCustomers(Request $request): Response
         $requestBodyContent = json_decode($request->getContent(), true);
         $phrase = $requestBodyContent['phrase'];
 
-        if (!isset($phrase) && empty($phrase)) {
+        if (empty($phrase)) {
             return $this->json(['message' => 'Property phrase is missing or empty.'], Response::HTTP_BAD_REQUEST);
         }