diff --git a/xCAT-server/share/xcat/install/scripts/post.xcat.ng b/xCAT-server/share/xcat/install/scripts/post.xcat.ng
index 255298db8..cbbad65be 100644
--- a/xCAT-server/share/xcat/install/scripts/post.xcat.ng
+++ b/xCAT-server/share/xcat/install/scripts/post.xcat.ng
@@ -134,7 +134,7 @@ function download_recursive()
             [ "$?" -ne "0" ] && return 1
             ;;
         esac
-    done < <(curl --fail --retry 20 --max-time 60 "${url}/" | grep -o '<a href="\([^"]*\)">\1</a>' | cut -d '"' -f 2)
+    done < <(curl --fail --retry 20 --max-time 60 "${url}/" | grep -o '<a href="\([^"]*\)">.*</a>' | egrep -v "O=D|Directory" | cut -d '"' -f 2)
     return 0
 }