diff --git a/xCAT-server/lib/xcat/plugins/blade.pm b/xCAT-server/lib/xcat/plugins/blade.pm
index f5d7c3dde..c477a6456 100644
--- a/xCAT-server/lib/xcat/plugins/blade.pm
+++ b/xCAT-server/lib/xcat/plugins/blade.pm
@@ -4178,7 +4178,7 @@ sub rscanfsp {
     if (/(mm\[\d+\])\s+primary/) {
       # get the type of mm
       @data = $t->cmd("info -T system:$1");
-      if (grep /Mach type\/model: Chassis Management Module/, @data) {
+      if (grep /(Mach type\/model: Chassis Management Module)|(Mach type\/model: CMM)/, @data) {
         $telnetrscan{'mm'}{'type'} = "cmm";
       }
     }