diff --git a/xCAT-server/lib/xcat/plugins/aixinstall.pm b/xCAT-server/lib/xcat/plugins/aixinstall.pm
index a2da73bf3..b91fe997b 100644
--- a/xCAT-server/lib/xcat/plugins/aixinstall.pm
+++ b/xCAT-server/lib/xcat/plugins/aixinstall.pm
@@ -9593,7 +9593,7 @@ sub prermdsklsnode
       )
     {
         &rmdsklsnode_usage($callback);
-        return;
+        return 2;
     }
 
     if ($::HELP)