diff --git a/docker.js b/docker.js
index e921029..e25d6cb 100644
--- a/docker.js
+++ b/docker.js
@@ -843,7 +843,7 @@ module.exports = {
 
     // Broker Agent
     startBrokerAgent: async (broker) => {
-        createMQttTopicAgent(broker)
+        await createMQttTopicAgent(broker)
     },
     stopBrokerAgent: async (broker) => {
         const name = getBrokerName(broker)