diff --git a/woof-code/rootfs-skeleton/usr/sbin/bootmanager b/woof-code/rootfs-skeleton/usr/sbin/bootmanager
index b064145d622..a1daff99cf0 100755
--- a/woof-code/rootfs-skeleton/usr/sbin/bootmanager
+++ b/woof-code/rootfs-skeleton/usr/sbin/bootmanager
@@ -138,7 +138,9 @@ extrasfs_func() {
  for ONESFS in $ALLSFSLIST
  do
   BASEONESFS="`basename $ONESFS`" #100711
-  [ "`echo "$BASEONESFS" | grep '^z'`" != "" ] && continue #100809
+  [ "`echo "$BASEONESFS" | grep '^zdrv'`" != "" ] && continue #100809
+  [ "`echo "$BASEONESFS" | grep '^adrv'`" != "" ] && continue
+  [ "`echo "$BASEONESFS" | grep '^ydrv'`" != "" ] && continue
   [ "`echo "$BASEONESFS" | grep '^pup_'`" != "" ] && continue #100809
   [ "`echo "$BASEONESFS" | grep "^${DISTRO_FILE_PREFIX}\\-[0-9][0-9][0-9]\\.sfs$"`" != "" ] && continue #100809
   [ "`echo "$BASEONESFS" | grep "^${DISTRO_FILE_PREFIX}[rz]"`" != "" ] && continue #100809