diff --git a/src/qt/qt_rendererstack.cpp b/src/qt/qt_rendererstack.cpp
index 73cf75396..c5cc286b5 100644
--- a/src/qt/qt_rendererstack.cpp
+++ b/src/qt/qt_rendererstack.cpp
@@ -105,7 +105,7 @@ RendererStack::RendererStack(QWidget *parent, int monitor_index)
         frameRateTimer->setSingleShot(false);
         frameRateTimer->setInterval(1000);
         connect(frameRateTimer, &QTimer::timeout, [this] {
-            this->setWindowTitle(QObject::tr("86Box Monitor #") + QString::number(m_monitor_index + 1) + QString(" - %1 Hz").arg(monitors[m_monitor_index].mon_actualrenderedframes));
+            this->setWindowTitle(QObject::tr("86Box Monitor #") + QString::number(m_monitor_index + 1) + QString(" - ") + tr("%1 Hz").arg(monitors[m_monitor_index].mon_actualrenderedframes.load()));
         });
         frameRateTimer->start(1000);
     }