diff --git a/xCAT-server/lib/xcat/plugins/bmcdiscover.pm b/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
index 0811f73fe..b0bb1514e 100644
--- a/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
+++ b/xCAT-server/lib/xcat/plugins/bmcdiscover.pm
@@ -1072,8 +1072,8 @@ sub bmcdiscovery_openbmc{
         my $serial;
 
         if (defined($response->{data})) {
-            if (defined($response->{data}->{Model}) and defined($response->{data}->{SerialNumber})) {
-                $mtm = $response->{data}->{Model};
+            if (defined($response->{data}->{PartNumber}) and defined($response->{data}->{SerialNumber})) {
+                $mtm = $response->{data}->{PartNumber};
                 $serial = $response->{data}->{SerialNumber}; 
             } else {
                 xCAT::MsgUtils->message("W", { data => ["Could not obtain Model Type and/or Serial Number for BMC at $ip"] }, $::CALLBACK);