diff --git a/app/controllers/api/account.php b/app/controllers/api/account.php
index 6f15e8fb1d..b6e6337a00 100644
--- a/app/controllers/api/account.php
+++ b/app/controllers/api/account.php
@@ -3453,7 +3453,7 @@ App::post('/v1/account/verification/phone')
         }
 
         $phone = $user->getAttribute('phone');
-        if (!$phone) {
+        if (empty($phone)) {
             throw new Exception(Exception::USER_PHONE_NOT_FOUND);
         }