diff --git a/xCAT-server/lib/xcat/plugins/kvm.pm b/xCAT-server/lib/xcat/plugins/kvm.pm
index 7baa226ad..9d7cdf851 100644
--- a/xCAT-server/lib/xcat/plugins/kvm.pm
+++ b/xCAT-server/lib/xcat/plugins/kvm.pm
@@ -1511,7 +1511,7 @@ sub clonevm {
             };
             if ($newvol) {
                 %sourceinfo = %{$newvol->get_info()};
-                xCAT::SvrUtils::sendmsg("Cloning of ".$sourcevol->get_name()." complete (clone uses ".($sourceinfo{allocation}/1048576)." for a disk size of ".($sourceinfo{capacity}/1048576),$callback,$node);
+                xCAT::SvrUtils::sendmsg("Cloning of ".$sourcevol->get_name()." complete (clone uses ".($sourceinfo{allocation}/1048576)." for a disk size of ".($sourceinfo{capacity}/1048576)."MB)",$callback,$node);
             } else {
                 xCAT::SvrUtils::sendmsg([1,"Cloning of ".$sourcevol->get_name()." failed due to ". $@],$callback,$node);
                 return;