diff --git a/ipset/create_ipset.sh b/ipset/create_ipset.sh
index 51ccc82..6ec6096 100755
--- a/ipset/create_ipset.sh
+++ b/ipset/create_ipset.sh
@@ -14,7 +14,7 @@ do
  [ -f "$f" ] && {
   echo Adding to ipset $1 : $f
   if [ -f "$ZIPLIST_EXCLUDE" ] ; then
-   grep -vxf $ZIPLIST_EXCLUDE "$f" | sort -u | while read ip; do echo add $1 $ip; done | ipset -! restore
+   grep -vxFf $ZIPLIST_EXCLUDE "$f" | sort -u | while read ip; do echo add $1 $ip; done | ipset -! restore
   else
    sort -u "$f" | while read ip; do echo add $1 $ip; done | ipset -! restore
   fi