remove unneeded LOWER. Fixes #8202

diff --git a/lib/private/user/database.php b/lib/private/user/database.php
index 15e6643dfb36f39ebcea8b47b22593b1f712ea4e..994a47011e652ba15e69495a3d75aa55f390e57f 100644 (file)
--- a/lib/private/user/database.php
+++ b/lib/private/user/database.php
@@ -121,7 +121,7 @@ class OC_User_Database extends OC_User_Backend {
         */
        public function setDisplayName($uid, $displayName) {
                if ($this->userExists($uid)) {
-                       $query = OC_DB::prepare('UPDATE `*PREFIX*users` SET `displayname` = ? WHERE LOWER(`uid`) = ?');
+                       $query = OC_DB::prepare('UPDATE `*PREFIX*users` SET `displayname` = ? WHERE LOWER(`uid`) = LOWER(?)');
                        $query->execute(array($displayName, $uid));
                        return true;
                } else {