diff --git a/perl-xCAT/xCAT/data/discinfo.pm b/perl-xCAT/xCAT/data/discinfo.pm
index 8e6d7d713..7cca83f28 100644
--- a/perl-xCAT/xCAT/data/discinfo.pm
+++ b/perl-xCAT/xCAT/data/discinfo.pm
@@ -15,6 +15,7 @@ require Exporter;
 %distnames = (
                  "1310229985.226287" => "centos6",
 		 "1323560292.885204" => "centos6.2",
+		 "1341569670.539525" => "centos6.3",#x86
                  "1176234647.982657" => "centos5",
                  "1156364963.862322" => "centos4.4",
                  "1178480581.024704" => "centos4.5",