diff --git a/.gitignore b/.gitignore
index eaf66084..ef09a824 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,5 +43,8 @@ plugins/*
 !plugins/account-create-hint
 landing
 
+# system
+system/functions_custom.php
+
 # others/rest
 system/pages/downloads.php