diff --git a/src/comm/BluetoothLink.cc b/src/comm/BluetoothLink.cc
index 320c4a4140107971afd74a24e289fc31a2acc998..e0120bcf0289283e3960ea702526ac20a10e349d 100644
--- a/src/comm/BluetoothLink.cc
+++ b/src/comm/BluetoothLink.cc
@@ -78,6 +78,7 @@ void BluetoothLink::_writeBytes(const QByteArray bytes)
 {
     if (_targetSocket) {
         if(_targetSocket->write(bytes) > 0) {
+            emit bytesSent(this, data);
             _logOutputDataRate(bytes.size(), QDateTime::currentMSecsSinceEpoch());
         } else {
             qWarning() << "Bluetooth write error";
diff --git a/src/comm/SerialLink.cc b/src/comm/SerialLink.cc
index 46e5bfeaf2498636e2fa0d10c729a14655fa4abf..3625ac5eebd3dbec7e0ba5eb91f290ab304c831c 100644
--- a/src/comm/SerialLink.cc
+++ b/src/comm/SerialLink.cc
@@ -84,6 +84,7 @@ bool SerialLink::_isBootloader()
 void SerialLink::_writeBytes(const QByteArray data)
 {
     if(_port && _port->isOpen()) {
+        emit bytesSent(this, data);
         _logOutputDataRate(data.size(), QDateTime::currentMSecsSinceEpoch());
         _port->write(data);
     } else {