diff --git a/test/emqttd_SUITE.erl b/test/emqttd_SUITE.erl
index aeed5051f..c95a8b25e 100644
--- a/test/emqttd_SUITE.erl
+++ b/test/emqttd_SUITE.erl
@@ -480,7 +480,7 @@ cluster_node_down(_) ->
     [<<"#">>, <<"a/b/c">>] = [Topic || #mqtt_route{topic = Topic} <- Routes],
     slave:stop(Z),
     timer:sleep(1000),
-    Routes = lists:sort(emqttd_router:match(<<"a/b/c">>)).
+    [] = lists:sort(emqttd_router:match(<<"a/b/c">>)).
 
 set_alarms(_) ->
     AlarmTest = #mqtt_alarm{id = <<"1">>, severity = error, title="alarm title", summary="alarm summary"},