diff --git a/.gitignore b/.gitignore
index 7b45ca3ae4ed5e7dff2ac42b9f2497c70ce28be0..a238f4afbb7ebe3a581c69072a968ee1daa32b5c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 nbproject
+/config/config_custom.php
 /config/sshkeys/git@gitlab.iml.unibe.ch.pub
 /config/sshkeys/git@gitlab.iml.unibe.ch
 /config/projects/mmmu-sf2.json
@@ -28,4 +29,4 @@ nbproject
 /config/_inc_projects_config.php
 /config/inc_projects_config.php
 /config/inc_user2roles.php
-/.vscode/
\ No newline at end of file
+/.vscode/