diff --git a/scripts/backup b/scripts/backup
index 333f6c5..0e7f935 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -32,7 +32,13 @@ ynh_backup "/etc/cron.d/${app}" "cron.conf"
 ynh_backup "/etc/systemd/system/mastodon-web.service" "systemd_web.service"
 ynh_backup "/etc/systemd/system/mastodon-sidekiq.service" "systemd_sidekiq.service"
 ynh_backup "/etc/systemd/system/mastodon-streaming.service" "systemd_streaming.service"
-ynh_backup "/etc/apt/sources.list.d/backports.list" "apt_backports.list"
+# Install source.list debian jessie package backports
+debian_version=$(lsb_release -c -s)
+if [[ $debian_version =  jessie ]]; then
+	ynh_backup "/etc/apt/sources.list.d/backports.list" "apt_backports.list"
+
+else
+fi
 ynh_backup "/etc/apt/sources.list.d/yarn.list" "apt_yarn.list"
 
 # final_path on nginx