diff --git a/perl-xCAT/xCAT/data/discinfo.pm b/perl-xCAT/xCAT/data/discinfo.pm
index 3a7d9d6dd..75274be3e 100755
--- a/perl-xCAT/xCAT/data/discinfo.pm
+++ b/perl-xCAT/xCAT/data/discinfo.pm
@@ -13,6 +13,7 @@ require Exporter;
 
 
 my %distnames = (
+    "1480943823.812754" => "centos7.3",     #x86_64
     "1450147276.351714" => "centos7.2",     #ppc64le
     "1449699925.561114" => "centos7.2",     #x86_64
     "1427495138.035654" => "centos7.1",