diff --git a/lib/AmsMqttHandler/include/AmsMqttHandler.h b/lib/AmsMqttHandler/include/AmsMqttHandler.h
index 9e04f139..906b984d 100644
--- a/lib/AmsMqttHandler/include/AmsMqttHandler.h
+++ b/lib/AmsMqttHandler/include/AmsMqttHandler.h
@@ -38,6 +38,13 @@ public:
         subTopic = String(mqttConfig.subscribeTopic);
         if(subTopic.isEmpty()) subTopic = pubTopic+"/command";
     };
+    
+    ~AmsMqttHandler() {
+        if(mqttSecureClient != NULL) {
+            delete mqttSecureClient;
+            mqttSecureClient = NULL;
+        }
+    };
 
     void setCaVerification(bool);
     void setConfig(MqttConfig& mqttConfig);