diff --git a/main.cpp b/main.cpp
index 2209392..2ed518c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -12,9 +12,6 @@ int main(int argc, char *argv[])
     QCoreApplication::setApplicationName("RepRaptor");
     QCoreApplication::setApplicationVersion(REPRAPTOR_VERSION);
 
-    //Set the priority, so the OS would not mess up serial communication
-    QThread::currentThread()->setPriority(QThread::HighestPriority);
-
     MainWindow w;
     w.show();
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index fbad59d..b7e74ed 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -129,6 +129,7 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(parserWorker, &Parser::receivedSDDone, this, &MainWindow::receivedSDDone);
     connect(parserWorker, &Parser::receivedSDUpdate, this, &MainWindow::updateSDStatus);
     parserThread->start();
+    parserThread->setPriority(QThread::HighestPriority);
 
     //Sender thread signal-slots and init
     senderWorker->moveToThread(senderThread);