diff --git a/perl-xCAT/xCAT/data/discinfo.pm b/perl-xCAT/xCAT/data/discinfo.pm
index 044d794eb..1bda86c7f 100644
--- a/perl-xCAT/xCAT/data/discinfo.pm
+++ b/perl-xCAT/xCAT/data/discinfo.pm
@@ -49,9 +49,11 @@ require Exporter;
                  "1305067911.467189" => "rhels6.1", #ppc64
                  "1321546114.510099" => "rhels6.2", #x86_64
                  "1321546739.676170" => "rhels6.2", #ppc64
-		 "1339641244.734735" => "rhels6.3", #ppc64
-		 "1339640147.274118" => "rhels6.3", #x86_64
-		 "1339638991.532890" => "rhels6.3", #i386
+                 "1339641244.734735" => "rhels6.3", #ppc64
+                 "1339640147.274118" => "rhels6.3", #x86_64
+                 "1339638991.532890" => "rhels6.3", #i386
+                 "1359576752.435900" => "rhels6.4", #x86_64
+                 "1359576196.686790" => "rhels6.4", #ppc64
                  "1285193176.593806" => "rhelhpc6",
                  "1194015916.783841" => "fedora8",
                  "1194015385.299901" => "fedora8",