diff --git a/makeVersionTag.pl b/makeVersionTag.pl
index f80a8951..0fb0f1a9 100644
--- a/makeVersionTag.pl
+++ b/makeVersionTag.pl
@@ -52,7 +52,9 @@ my($tag)="v$1";
 print "# version=$tag\n";
 
 # すでにタグがあるなら何もしない
-if( not `git tag -l $tag` =~ /$tag/ ){
+if( `git tag -l $tag` =~ /$tag/ ){
+	print "# tag $tag is already exists.\n";
+}else{
 	cmd "git tag -a $tag -m $tag";
 }