diff --git a/buildPackage.go b/buildPackage.go
index d717854..aa1f1ed 100644
--- a/buildPackage.go
+++ b/buildPackage.go
@@ -138,10 +138,10 @@ func (c *controlBox) buildPackage() (bool, error) {
 		log.Warn("rm failed. files/ still exists. is golang doing these in parallel?")
 		return false, errors.New("rm files/")
 	}
-	if !shell.Mkdir("files/DEBIAN") {
+	if err := os.MkdirAll("files/DEBIAN", os.ModePerm); err != nil {
 		return false, errors.New("mkdir files/DEBIAN")
 	}
-	if !shell.Mkdir("files/usr/bin") {
+	if err := os.MkdirAll("files/usr/bin", os.ModePerm); err != nil {
 		log.Warn("mkdir failed")
 		return false, errors.New("mkdir files/usr/bin")
 	}
@@ -170,7 +170,7 @@ func (c *controlBox) buildPackage() (bool, error) {
 
 	if readme != "" {
 		path := filepath.Join("files/usr/lib/" + filename)
-		if !shell.Mkdir(path) {
+		if err := os.MkdirAll(path, os.ModePerm); err != nil {
 			return false, errors.New("no files/usr/lib")
 		}
 		if r := shell.Run([]string{"cp", readme, path}); r.Error != nil {