1 files changed, 1 insertions, 1 deletions
diff --git a/program/include/rcube_utils.php b/program/include/rcube_utils.php
index b278431a6..c8457b7dc 100644
--- a/program/include/rcube_utils.php
+++ b/program/include/rcube_utils.php
@@ -682,7 +682,7 @@ class rcube_utils
         // %s - domain name after the '@' from e-mail address provided at login screen. Returns FALSE if an invalid email is provided
         if (strpos($name, '%s') !== false) {
             $user_email = self::get_input_value('_user', self::INPUT_POST);
-            $user_email = rcube_utils::idn_convert($user_email, true);
+            $user_email = self::idn_convert($user_email, true);
             $matches    = preg_match('/(.*)@([a-z0-9\.\-\[\]\:]+)/i', $user_email, $s);
             if ($matches < 1 || filter_var($s[1]."@".$s[2], FILTER_VALIDATE_EMAIL) === false) {
                 return false;