diff --git a/libsrc/api/JsonAPI.cpp b/libsrc/api/JsonAPI.cpp
index 3568a850..8b6d6159 100644
--- a/libsrc/api/JsonAPI.cpp
+++ b/libsrc/api/JsonAPI.cpp
@@ -98,6 +98,8 @@ void JsonAPI::initialize()
 {
 	// init API, REQUIRED!
 	API::init();
+	// Initialise jsonCB with current instance
+	_jsonCB->setSubscriptionsTo(_hyperion);
 
 	// setup auth interface
 	connect(this, &API::onPendingTokenRequest, this, &JsonAPI::newPendingTokenRequest);
@@ -129,6 +131,8 @@ void JsonAPI::handleMessage(const QString &messageString, const QString &httpAut
 {
 	const QString ident = "JsonRpc@" + _peerAddress;
 	QJsonObject message;
+	//std::cout << "JsonAPI::handleMessage | [" << static_cast<int>(_hyperion->getInstanceIndex()) << "] Received: ["<< messageString.toStdString() << "]" << std::endl;
+
 	// parse the message
 	if (!JsonUtils::parse(ident, messageString, message, _log))
 	{
diff --git a/libsrc/api/JsonCB.cpp b/libsrc/api/JsonCB.cpp
index 5863d1cc..9dcb3950 100644
--- a/libsrc/api/JsonCB.cpp
+++ b/libsrc/api/JsonCB.cpp
@@ -73,7 +73,7 @@ bool JsonCB::subscribeFor(const QString& type, bool unsubscribe)
 	if(type == "priorities-update")
 	{
 		if (unsubscribe)
-			disconnect(_prioMuxer,0 ,0 ,0);
+			disconnect(_prioMuxer, &PriorityMuxer::prioritiesChanged, this, &JsonCB::handlePriorityUpdate);
 		else
 			connect(_prioMuxer, &PriorityMuxer::prioritiesChanged, this, &JsonCB::handlePriorityUpdate, Qt::UniqueConnection);
 	}
@@ -156,6 +156,8 @@ void JsonCB::resetSubscriptions()
 
 void JsonCB::setSubscriptionsTo(Hyperion* hyperion)
 {
+	//std::cout << "JsonCB::setSubscriptions for instance [" << static_cast<int>(hyperion->getInstanceIndex()) << "] " << std::endl;
+
 	// get current subs
 	QStringList currSubs(getSubscribedCommands());
 
@@ -179,11 +181,13 @@ void JsonCB::doCallback(const QString& cmd, const QVariant& data)
 	QJsonObject obj;
 	obj["command"] = cmd;
 
-	if(static_cast<QMetaType::Type>(data.type()) == QMetaType::QJsonArray)
+	if(data.userType() == QMetaType::QJsonArray)
 		obj["data"] = data.toJsonArray();
 	else
 		obj["data"] = data.toJsonObject();
 
+	//std::cout << "JsonCB::doCallback | [" << static_cast<int>(_hyperion->getInstanceIndex()) << "] Send: [" << QJsonDocument(obj).toJson(QJsonDocument::Compact).toStdString() << "]" << std::endl;
+
 	emit newCallback(obj);
 }
 
diff --git a/libsrc/jsonserver/JsonClientConnection.cpp b/libsrc/jsonserver/JsonClientConnection.cpp
index e6457277..8af1346a 100644
--- a/libsrc/jsonserver/JsonClientConnection.cpp
+++ b/libsrc/jsonserver/JsonClientConnection.cpp
@@ -57,3 +57,8 @@ void JsonClientConnection::disconnected()
 {
 	emit connectionClosed();
 }
+
+QHostAddress JsonClientConnection::getClientAddress()
+{
+	return _socket->peerAddress();
+}
diff --git a/libsrc/jsonserver/JsonClientConnection.h b/libsrc/jsonserver/JsonClientConnection.h
index 81886884..1351e99a 100644
--- a/libsrc/jsonserver/JsonClientConnection.h
+++ b/libsrc/jsonserver/JsonClientConnection.h
@@ -4,6 +4,7 @@
 #include <QString>
 #include <QByteArray>
 #include <QJsonObject>
+#include <QHostAddress>
 
 // util includes
 #include <utils/Logger.h>
@@ -24,6 +25,7 @@ public:
 	/// @param socket The Socket object for this connection
 	///
 	JsonClientConnection(QTcpSocket * socket, bool localConnection);
+	QHostAddress getClientAddress();
 
 signals:
 	void connectionClosed();
diff --git a/libsrc/jsonserver/JsonServer.cpp b/libsrc/jsonserver/JsonServer.cpp
index a9237da8..aeef23f5 100644
--- a/libsrc/jsonserver/JsonServer.cpp
+++ b/libsrc/jsonserver/JsonServer.cpp
@@ -102,7 +102,7 @@ void JsonServer::newConnection()
 		{
 			if(_netOrigin->accessAllowed(socket->peerAddress(), socket->localAddress()))
 			{
-				Debug(_log, "New connection from: %s ",socket->localAddress().toString().toStdString().c_str());
+				Debug(_log, "New connection from: %s",QSTRING_CSTR(socket->peerAddress().toString()));
 				JsonClientConnection * connection = new JsonClientConnection(socket, _netOrigin->isLocalAddress(socket->peerAddress(), socket->localAddress()));
 				_openConnections.insert(connection);
 
@@ -118,7 +118,7 @@ void JsonServer::newConnection()
 void JsonServer::closedConnection()
 {
 	JsonClientConnection* connection = qobject_cast<JsonClientConnection*>(sender());
-	Debug(_log, "Connection closed");
+	Debug(_log, "Connection closed for %s", QSTRING_CSTR(connection->getClientAddress().toString()));
 	_openConnections.remove(connection);
 
 	// schedule to delete the connection object
diff --git a/libsrc/webserver/WebSocketClient.cpp b/libsrc/webserver/WebSocketClient.cpp
index c546ca97..ac8d77ad 100644
--- a/libsrc/webserver/WebSocketClient.cpp
+++ b/libsrc/webserver/WebSocketClient.cpp
@@ -212,7 +212,7 @@ void WebSocketClient::getWsFrameHeader(WebSocketHeader* header)
 /// See http://tools.ietf.org/html/rfc6455#section-5.2 for more information
 void WebSocketClient::sendClose(int status, QString reason)
 {
-	Debug(_log, "send close: %d %s", status, QSTRING_CSTR(reason));
+	Debug(_log, "Send close to %s: %d %s", QSTRING_CSTR(_socket->peerAddress().toString()), status, QSTRING_CSTR(reason));
 	ErrorIf(!reason.isEmpty(), _log, QSTRING_CSTR(reason));
 	_receiveBuffer.clear();
 	QByteArray sendBuffer;