diff --git a/scripts/upgrade b/scripts/upgrade
index 429d144..362d631 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -108,7 +108,7 @@ then
     ynh_install_composer
 
     # Add git permission for net_ldap3
-    git config --add safe.directory '$install_dir/vendor/kolab/net_ldap3' --global
+    git config --system --add safe.directory $install_dir
 
     # Check if dependencies need to be updated with Composer
     if [ -f "$install_dir/composer.json" ]