diff --git a/src/platform/qt/GBAApp.cpp b/src/platform/qt/GBAApp.cpp
index 28f09f0f6..bf9c30cdc 100644
--- a/src/platform/qt/GBAApp.cpp
+++ b/src/platform/qt/GBAApp.cpp
@@ -22,6 +22,7 @@ GBAApp::GBAApp(int& argc, char* argv[])
 	GBAConfigLoad(&config);
 
 	GBAConfigMapGeneralOpts(&config, PORT, &m_opts);
+	GBAConfigMapGraphicsOpts(&config, PORT, &m_opts);
 
 	ConfigurationDeinit(&config);
 
diff --git a/src/platform/qt/Window.cpp b/src/platform/qt/Window.cpp
index c678b1cc7..545463437 100644
--- a/src/platform/qt/Window.cpp
+++ b/src/platform/qt/Window.cpp
@@ -126,6 +126,10 @@ void Window::setOptions(GBAOptions* opts) {
 	if (opts->audioBuffers) {
 		emit audioBufferSamplesChanged(opts->audioBuffers);
 	}
+
+	if (opts->width && opts->height) {
+		m_screenWidget->setSizeHint(QSize(opts->width, opts->height));
+	}
 }
 
 void Window::selectROM() {