diff --git a/src/emqttd_router.erl b/src/emqttd_router.erl
index 4d4e22160..fa1a0c70c 100644
--- a/src/emqttd_router.erl
+++ b/src/emqttd_router.erl
@@ -284,5 +284,7 @@ clean_routes_(Node) ->
     mnesia:transaction(Clean).
 
 update_stats_() ->
-    emqttd_stats:setstats('routes/count', 'routes/max', mnesia:table_info(mqtt_route, size)).
+    Size = mnesia:table_info(mqtt_route, size),
+    emqttd_stats:setstats('routes/count', 'routes/max', Size),
+    emqttd_stats:setstats('topics/count', 'topics/max', Size).
 
diff --git a/src/emqttd_stats.erl b/src/emqttd_stats.erl
index 73a1471ac..6d84395e2 100644
--- a/src/emqttd_stats.erl
+++ b/src/emqttd_stats.erl
@@ -57,14 +57,14 @@
 
 %% $SYS Topics for Subscribers
 -define(SYSTOP_PUBSUB, [
-    'routes/count',        % ...
-    'routes/max',          % ...
     'topics/count',        % ...
     'topics/max',          % ...
     'subscribers/count',   % ...
     'subscribers/max',     % ...
     'subscriptions/count', % ...
-    'subscriptions/max'    % ...
+    'subscriptions/max',   % ...
+    'routes/count',        % ...
+    'routes/max'           % ...
 ]).
 
 %% $SYS Topic for retained