diff --git a/xCAT-server/share/xcat/netboot/ubuntu/dracut/install.netboot b/xCAT-server/share/xcat/netboot/ubuntu/dracut/install.netboot
index 372fa4df8..2e24279a1 100755
--- a/xCAT-server/share/xcat/netboot/ubuntu/dracut/install.netboot
+++ b/xCAT-server/share/xcat/netboot/ubuntu/dracut/install.netboot
@@ -4,4 +4,4 @@ dracut_install wget tar cpio gzip dash modprobe touch echo cut wc xz
 dracut_install grep ifconfig hostname awk egrep grep dirname expr
 dracut_install mount.nfs
 inst "$moddir/xcatroot" "/sbin/xcatroot"
-inst_hook cmdline 10 "$moddir/xcat-cmdline.sh" 
+inst_hook cmdline 10 "$moddir/xcat-cmdline.sh"