diff --git a/src/qt/qt_mainwindow.cpp b/src/qt/qt_mainwindow.cpp
index dc02f5030..350057a1a 100644
--- a/src/qt/qt_mainwindow.cpp
+++ b/src/qt/qt_mainwindow.cpp
@@ -1433,7 +1433,7 @@ void MainWindow::processMacKeyboardInput(bool down, const QKeyEvent* event) {
 void MainWindow::on_actionFullscreen_triggered() {
     if (video_fullscreen > 0) {
         showNormal();
-        if (vid_api == 5) ui->stackedWidget->switchRenderer(RendererStack::Renderer::Direct3D9);
+        if (vid_api == 5) QTimer::singleShot(0, this, [this] () { ui->stackedWidget->switchRenderer(RendererStack::Renderer::Direct3D9); });
         ui->menubar->show();
         if (!hide_status_bar) ui->statusbar->show();
         if (!hide_tool_bar) ui->toolBar->show();
@@ -1467,7 +1467,7 @@ void MainWindow::on_actionFullscreen_triggered() {
         ui->statusbar->hide();
         ui->toolBar->hide();
         showFullScreen();
-        if (vid_api == 5) ui->stackedWidget->switchRenderer(RendererStack::Renderer::Direct3D9);
+        if (vid_api == 5) QTimer::singleShot(0, this, [this] () { ui->stackedWidget->switchRenderer(RendererStack::Renderer::Direct3D9); });
     }
     ui->stackedWidget->onResize(width(), height());
 }