diff --git a/ipset/def.sh b/ipset/def.sh
index ee1c782..c53e484 100755
--- a/ipset/def.sh
+++ b/ipset/def.sh
@@ -21,7 +21,7 @@ zzexist()
 zzcat()
 {
  if [ -f "$1.gz" ]; then
- 	gunzip -c "$1"
+ 	gunzip -c "$1.gz"
  else
  	cat "$1"
  fi