diff --git a/xCAT-server/share/xcat/netboot/centos/compute.centos6.pkglist b/xCAT-server/share/xcat/netboot/centos/compute.centos6.pkglist
index 908c031cb..ff811a4c0 100644
--- a/xCAT-server/share/xcat/netboot/centos/compute.centos6.pkglist
+++ b/xCAT-server/share/xcat/netboot/centos/compute.centos6.pkglist
@@ -1,9 +1,9 @@
-bash 
+bash
 nfs-utils
 openssl
-dhclient 
-kernel 
-openssh-server 
+dhclient
+kernel
+openssh-server
 openssh-clients
 wget
 rsync