diff --git a/xCAT-server/share/xcat/netboot/rh/xen.pkglist b/xCAT-server/share/xcat/netboot/rh/xen.pkglist
index 36aab9d51..f54e0160c 100644
--- a/xCAT-server/share/xcat/netboot/rh/xen.pkglist
+++ b/xCAT-server/share/xcat/netboot/rh/xen.pkglist
@@ -1,10 +1,10 @@
-bash 
+bash
 postfix
 nfs-utils
 openssl
-dhclient 
+dhclient
 kernel-xen
-openssh-server 
+openssh-server
 openssh-clients
 busybox-anaconda
 wget