diff --git a/pkg/util/fileutils2/fileutils.go b/pkg/util/fileutils2/fileutils.go
index 30e81e019a..d7685dd4ae 100644
--- a/pkg/util/fileutils2/fileutils.go
+++ b/pkg/util/fileutils2/fileutils.go
@@ -20,6 +20,7 @@ import (
 	"bytes"
 	"compress/gzip"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"os"
 	"path"
@@ -474,10 +475,23 @@ func IsTarGzipFile(fPath string) bool {
 		return false
 	}
 
-	tarReader := tar.NewReader(gzf)
-	_, err = tarReader.Next()
+	return IsTarStream(gzf)
+}
+
+func IsTarStream(f io.Reader) bool {
+	tarReader := tar.NewReader(f)
+	_, err := tarReader.Next()
 	if err != nil {
 		return false
 	}
 	return true
 }
+
+func IsTarFile(fPath string) bool {
+	f, err := os.Open(fPath)
+	if err != nil {
+		return false
+	}
+	defer f.Close()
+	return IsTarStream(f)
+}
diff --git a/pkg/util/qemuimg/qemuimg.go b/pkg/util/qemuimg/qemuimg.go
index 0c283250bd..b945725187 100644
--- a/pkg/util/qemuimg/qemuimg.go
+++ b/pkg/util/qemuimg/qemuimg.go
@@ -233,7 +233,7 @@ func (img *SQemuImage) parse() error {
 	if img.Format == qemuimgfmt.RAW && fileutils2.IsFile(img.Path) && fileutils2.IsIsoFile(img.Path) {
 		img.Format = qemuimgfmt.ISO
 	}
-	if img.Format == qemuimgfmt.RAW && fileutils2.IsFile(img.Path) && fileutils2.IsTarGzipFile(img.Path) {
+	if img.Format == qemuimgfmt.RAW && fileutils2.IsFile(img.Path) && (fileutils2.IsTarGzipFile(img.Path) || fileutils2.IsTarFile(img.Path)) {
 		img.Format = imageapi.IMAGE_DISK_FORMAT_TGZ
 	}
 	return nil