diff --git a/scripts/install b/scripts/install
index dbcd2ec..7a8b325 100644
--- a/scripts/install
+++ b/scripts/install
@@ -123,9 +123,8 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Configuring a systemd service..." --time --weight=1
 
-ynh_replace_string "__NODEJS__" "$nodejs_use_version" "/etc/systemd/system/$app.service"
-ynh_replace_string "__ENV_PATH__" "$PATH" "/etc/systemd/system/$app.service"
-ynh_replace_string "__NODE__" "$nodejs_path" "/etc/systemd/system/$app.service"
+ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH" --target_file="../conf/systemd.service"
+ynh_replace_string --match_string="__YNH_NPM__" --replace_string="$ynh_npm" --target_file="../conf/systemd.service"
 
 ynh_add_systemd_config