diff --git a/phpBB/includes/session.php b/phpBB/includes/session.php
index 467d8ce581..a15b92a344 100644
--- a/phpBB/includes/session.php
+++ b/phpBB/includes/session.php
@@ -675,7 +675,7 @@ class session
 		
 		$this->cookie_data['k'] = $key_id;
 		unset($sql_ary);
-		unset($key_id)
+		unset($key_id);
 		
 		return false;
 	}