diff --git a/xCAT-server/share/xcat/tools/xCATreg b/xCAT-server/share/xcat/tools/xCATreg
index c98d3fdcb..60e6947ab 100755
--- a/xCAT-server/share/xcat/tools/xCATreg
+++ b/xCAT-server/share/xcat/tools/xCATreg
@@ -55,7 +55,11 @@ my $regresultdir = "$regrootdir/regresult";
 my $todayregresultdir="";
 my $maildir="$regrootdir/mail";
 my $mailfile="";
-my $rootdir = "$::XCATROOT/share/xcat/tools/autotest"; my %confkeys; my $mail_list = 0; my $needhelp  = 0; my $branch = "master";
+my $rootdir = "$::XCATROOT/share/xcat/tools/autotest"; 
+my %confkeys; 
+my $mail_list = 0;
+my $needhelp  = 0;
+my $branch = "master";
 my $management_node = undef;
 #my $verbose_mode = 0;
 my $updates_regression = 0;