diff --git a/platform/qt/dmxwidget/dmxwidget.cpp b/platform/qt/dmxwidget/dmxwidget.cpp
index e8b0f4a..5a27fd9 100644
--- a/platform/qt/dmxwidget/dmxwidget.cpp
+++ b/platform/qt/dmxwidget/dmxwidget.cpp
@@ -152,8 +152,7 @@ void DmxWidget::sendMessage(std::shared_ptr<ENTTEC::Pro::MessageData> msg) const
   *stream << ENTTEC::Pro::START_DELIMITER;
   *stream << msg->label;
   *stream << length;
-  if (length)
-    *stream << msg;
+  msg->oStream(stream);
   *stream << ENTTEC::Pro::END_DELIMITER;
 
   port_->write(buffer, sizeof(buffer));