diff --git a/xCAT-server/share/xcat/netboot/rh/dracut_033/install.netboot b/xCAT-server/share/xcat/netboot/rh/dracut_033/install.netboot
index 5154c4cff..2a62a66c6 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut_033/install.netboot
+++ b/xCAT-server/share/xcat/netboot/rh/dracut_033/install.netboot
@@ -7,7 +7,7 @@ dracut_install parted mke2fs bc mkswap swapon chmod
 dracut_install ethtool
 inst "$moddir/xcat-updateflag" "/tmp/updateflag"
 inst "$moddir/xcatroot" "/sbin/xcatroot"
-inst_hook cmdline 10 "$moddir/xcat-cmdline.sh" 
+inst_hook cmdline 10 "$moddir/xcat-cmdline.sh"
 for file in /etc/udev/rules.d/*;do
 	grep -qi xcat $file && inst_rules $(basename $file)
 done