diff --git a/gui/fpgaviewwidget.cc b/gui/fpgaviewwidget.cc
index 24f95338..3787536f 100644
--- a/gui/fpgaviewwidget.cc
+++ b/gui/fpgaviewwidget.cc
@@ -721,7 +721,7 @@ void FPGAViewWidget::mousePressEvent(QMouseEvent *event)
     bool shift = QApplication::keyboardModifiers().testFlag(Qt::ShiftModifier);
     bool ctrl = QApplication::keyboardModifiers().testFlag(Qt::ControlModifier);
     bool btn_right = event->buttons() & Qt::RightButton;
-    bool btn_mid = event->buttons() & Qt::MidButton;
+    bool btn_mid = event->buttons() & Qt::MiddleButton;
     bool btn_left = event->buttons() & Qt::LeftButton;
 
     if (btn_right || btn_mid || (btn_left && shift)) {
@@ -761,7 +761,7 @@ void FPGAViewWidget::mouseMoveEvent(QMouseEvent *event)
 
     bool shift = QApplication::keyboardModifiers().testFlag(Qt::ShiftModifier);
     bool btn_right = event->buttons() & Qt::RightButton;
-    bool btn_mid = event->buttons() & Qt::MidButton;
+    bool btn_mid = event->buttons() & Qt::MiddleButton;
     bool btn_left = event->buttons() & Qt::LeftButton;
 
     if (btn_right || btn_mid || (btn_left && shift)) {