diff --git a/rel/files/emqttd.config b/rel/files/emqttd.config
index ba90430b8..442c801d7 100644
--- a/rel/files/emqttd.config
+++ b/rel/files/emqttd.config
@@ -105,7 +105,7 @@
             {low_queue_watermark, 0.2},
             %% Queue Qos0 offline messages?
             {queue_qos0_messages, false}
-        ]},
+        ]}
     ]},
     %% Broker Options
     {broker, [