diff --git a/openmptcprouter/files/etc/init.d/vnstat_backup b/openmptcprouter/files/etc/init.d/vnstat_backup
index 3a1cf5112..02e9be314 100755
--- a/openmptcprouter/files/etc/init.d/vnstat_backup
+++ b/openmptcprouter/files/etc/init.d/vnstat_backup
@@ -10,7 +10,7 @@ START=98
 STOP=10
  
 vnstat_option() {
-    sed -ne "s/^[[:space:]]*$1[[:space:]]*['\"]\([^'\"]*\)['\"].*/\1/p" /etc/vnstat.conf
+    sed -ne "s/^[;]*$1[[:space:]]*['\"]\([^'\"]*\)['\"].*/\1/p" /etc/vnstat.conf
 }
  
 BACKUP_FILE=/etc/vnstat_backup.tar.gz