diff --git a/scripts/install b/scripts/install
index e2e2618..8f3f517 100755
--- a/scripts/install
+++ b/scripts/install
@@ -84,8 +84,10 @@ chown -R $app:www-data "$final_path"
 ynh_script_progression --message="Configuring PHP-FPM..." --weight=2
 
 # Create a dedicated PHP-FPM config
-ynh_add_fpm_config --usage=low --footprint=low
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+fpm_usage=low
+fpm_footprint=low
+ynh_add_fpm_config --usage="$fpm_usage" --footprint="$fpm_footprint"
 
 #=================================================
 # NGINX CONFIGURATION