diff --git a/monitord/plugins/libmplugin_mqtt.cpp b/monitord/plugins/libmplugin_mqtt.cpp
index 49c247f..95f2269 100644
--- a/monitord/plugins/libmplugin_mqtt.cpp
+++ b/monitord/plugins/libmplugin_mqtt.cpp
@@ -25,17 +25,12 @@
 MonitorPlugInMQTT::MonitorPlugInMQTT()
 {
 	DD("start");
-
-	// init vars, TODO: use c++11 declaration in header file
-	bConnected = false;
-	pMQTT = nullptr;
-	strTopic = "";
 }
 
 
 MonitorPlugInMQTT::~MonitorPlugInMQTT()
 {
-	DD("start");
+	DD("stop");
 }
 
 
@@ -90,6 +85,9 @@
 	topic += typ;
 	msg += "{";
 
+	// add timestamp
+	msg += "\"timestamp\":" + (*pRes)["timestamp"] + ", ";
+
 	if (typ == "fms")
 	{
 		msg += "";
diff --git a/monitord/plugins/libmplugin_mqtt.h b/monitord/plugins/libmplugin_mqtt.h
index 6ed247c..d316db9 100644
--- a/monitord/plugins/libmplugin_mqtt.h
+++ b/monitord/plugins/libmplugin_mqtt.h
@@ -56,9 +56,9 @@
 	void check(const int returnValue, const std::string &errorMessage, const bool throwException = true);
 
 	// variables
-	bool bConnected;
-	myMQTT *pMQTT;
-	std::string strTopic;
+	bool bConnected = false;
+	myMQTT *pMQTT = nullptr;
+	std::string strTopic = "";
 };