diff --git a/scripts/backup b/scripts/backup
index 6997b0f..ba41220 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -15,6 +15,10 @@ source /usr/share/yunohost/helpers
 #=================================================
 ynh_print_info --message="Declaring files to be backed up..."
 
+if [[ ! "$(systemctl status $app)" =~ "Active: inactive (dead)" ]]; then
+    ynh_print_warn --message="It's hightly recommended to make your backup when the service is stopped. Please stop $app service with this command before to run the backup 'systemctl stop $app.service'"
+fi
+
 #=================================================
 # BACKUP THE APP MAIN DIR
 #=================================================