diff --git a/xCAT-server/sbin/chtab b/xCAT-server/sbin/chtab
index 8c9c784e0..3d1822244 100755
--- a/xCAT-server/sbin/chtab
+++ b/xCAT-server/sbin/chtab
@@ -12,6 +12,7 @@ use Getopt::Long;
 use strict;
 #This or something like this must always be available and not depend on server
 #Otherwise, can't set things to let server run in the first place
+#
 
 sub usage {
   print "Usage:\n";