diff --git a/src/IO/Drivers/Serial.cpp b/src/IO/Drivers/Serial.cpp
index 2b37b296..2b1816e1 100644
--- a/src/IO/Drivers/Serial.cpp
+++ b/src/IO/Drivers/Serial.cpp
@@ -187,6 +187,7 @@ bool IO::Drivers::Serial::open(const QIODevice::OpenMode mode)
     {
       connect(port(), &QIODevice::readyRead, this,
               &IO::Drivers::Serial::onReadyRead);
+      port()->setDataTerminalReady(true);
       return true;
     }
   }