diff --git a/rename.php b/rename.php
index 2ce7149..4690125 100644
--- a/rename.php
+++ b/rename.php
@@ -16,7 +16,7 @@ $db = new Database();
 
 if(preg_match(PATTERN, $name) != 1) {
     $error = 14101;
-} else if($uid = '') {
+} else if($uid == '') {
     $error = 14102;
 } else {
     $db->query('UPDATE "Users" SET "name" = $1 WHERE "ID" = $2', array($name, $uid));