diff --git a/lxc_backup.sh b/lxc_backup.sh
index 1124b84..cf1fa54 100755
--- a/lxc_backup.sh
+++ b/lxc_backup.sh
@@ -20,8 +20,8 @@ then
 	exit 2
 fi
 
-#only backup container which contain a 1 at the end of the line
-for container in $(${lxccmd} list --format csv -c n | grep  "1$");
+#only backup container which doesn't contain a 0 at the end
+for container in $(${lxccmd} list --format csv -c n | grep -v "0$");
 do 
 	${lxccmd} stop ${container}
 	${lxccmd} export ${container} ${backuppath}$(date +%Y_%m_%d)-lxc-${container}.tar.gz --instance-only