diff --git a/xCAT-server/lib/xcat/plugins/ipmi.pm b/xCAT-server/lib/xcat/plugins/ipmi.pm
index cb21889f6..dc5b472d7 100644
--- a/xCAT-server/lib/xcat/plugins/ipmi.pm
+++ b/xCAT-server/lib/xcat/plugins/ipmi.pm
@@ -2511,7 +2511,6 @@ sub beacon_answer {
 
 sub inv {
     my $sessdata   = shift;
-    my $command = $sessdata->{command};
     my $subcommand = $sessdata->{subcommand};
 
     my $rc = 0;
@@ -2567,9 +2566,9 @@ sub inv {
         @types = qw(guid);
     }
     else {
-        my $usage_string = xCAT::Usage->getUsage($command);
-        $callback->({ error => ["$usage_string"], errorcode => [1] });
-        return 1;
+        @types = ($subcommand);
+
+        #return(1,"unsupported BMC inv argument $subcommand");
     }
     $sessdata->{invtypes} = \@types;
     initfru($sessdata);