diff --git a/scripts/upgrade b/scripts/upgrade
index 00868d9..e0d3f8e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -68,6 +68,7 @@ ynh_add_nginx_config
 ynh_script_progression --message="Updating a configuration file..." --weight=5
 
 if ynh_compare_current_package_version --comparison lt --version 1.1.15~ynh1; then
+        chmod 750 "$install_dir/config.local.user.php"
 	ynh_add_config --template="config.local.user.php" --destination="$install_dir/config.local.user.php"
 fi
 if ynh_compare_current_package_version --comparison lt --version 1.2.9~ynh1; then