diff --git a/xCAT-UI/lib/upload.php b/xCAT-UI/lib/upload.php
index a0fd5b864..2f33fc940 100644
--- a/xCAT-UI/lib/upload.php
+++ b/xCAT-UI/lib/upload.php
@@ -3,7 +3,7 @@
  * Upload a given file into /var/tmp
  */
 $type = $_FILES["file"]["type"];
-if ($type == "text/plain" || $type == "application/octet-stream" || $type == "application/x-shellscript") {
+if ($type == "text/plain" || $type == "application/octet-stream" || $type == "application/x-shellscript" || $type == "application/x-sh") {
 	$error = $_FILES["file"]["error"];
 	if ($error) {
 		echo "Return Code: " . $error;