diff --git a/xCAT-probe/subcmds/xcatmn b/xCAT-probe/subcmds/xcatmn
index cee2a9e99..37d7ac33f 100755
--- a/xCAT-probe/subcmds/xcatmn
+++ b/xCAT-probe/subcmds/xcatmn
@@ -671,7 +671,7 @@ sub check_dns_service {
                 }
             }
         }
-    } esle {
+    } else {
         $rst = 2;
     }