diff --git a/extract.go b/extract.go
index 2ac9953..741d056 100644
--- a/extract.go
+++ b/extract.go
@@ -236,7 +236,7 @@ func listTags(isoPath, part, volName string) ([]TagInfo, error) {
 func parseTags(output string) []TagInfo {
 	reTag := regexp.MustCompile(`^\s*(\d+)\s+(\S.*)`)
 
-	var tags []TagInfo
+	tags := []TagInfo{}
 	inTags := false
 
 	for _, line := range strings.Split(output, "\n") {