diff --git a/app/Models/User.php b/app/Models/User.php
index 737b66a56e6..dcee75bbedc 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -2128,8 +2128,10 @@ public static function attemptLogin($user, $password, $ip = null)
 
     public static function findForLogin($username, $allowEmail = false)
     {
-        if (!present($username)) {
-            return;
+        $username = trim($username ?? '');
+
+        if ($username === null) {
+            return null;
         }
 
         $query = static::where('username', $username);