diff --git a/pkg/util/util.go b/pkg/util/util.go
index 6ff13b0..2b120e0 100644
--- a/pkg/util/util.go
+++ b/pkg/util/util.go
@@ -135,6 +135,11 @@ func addToArchive(tw *tar.Writer, filename string) error {
 		return err
 	}
 
+	// skip file if it's a directory
+	if info.IsDir() {
+		return nil
+	}
+
 	// create a tar Header from the FileInfo data
 	header, err := tar.FileInfoHeader(info, info.Name())
 	if err != nil {