diff --git a/gb-vst/src/ui.rs b/gb-vst/src/ui.rs
index 9be2fc0..a083715 100644
--- a/gb-vst/src/ui.rs
+++ b/gb-vst/src/ui.rs
@@ -31,6 +31,8 @@ impl Emulator {
 }
 
 const EXTRA_SCALE: usize = 3;
+const S_WIDTH: usize = WIDTH * EXTRA_SCALE;
+const S_HEIGHT: usize = HEIGHT * EXTRA_SCALE;
 
 impl Editor for Emulator {
     fn spawn(
@@ -40,12 +42,25 @@ impl Editor for Emulator {
     ) -> Box<dyn std::any::Any + Send> {
         let fr_cloned = self.frame_receiver.clone();
         let js_cloned = self.joypad_sender.clone();
+
+        let (size, scale) = if cfg!(target_os = "macos") {
+            (
+                Size::new(S_WIDTH as f64, S_HEIGHT as f64),
+                baseview::WindowScalePolicy::SystemScaleFactor,
+            )
+        } else {
+            (
+                Size::new(WIDTH as f64, HEIGHT as f64),
+                baseview::WindowScalePolicy::ScaleFactor(EXTRA_SCALE as f64),
+            )
+        };
+
         Window::open_parented(
             &parent,
             WindowOpenOptions {
                 title: String::from("gb-emu"),
-                size: Size::new((WIDTH * EXTRA_SCALE) as f64, (HEIGHT * EXTRA_SCALE) as f64),
-                scale: baseview::WindowScalePolicy::SystemScaleFactor,
+                size,
+                scale,
                 gl_config: None,
             },
             |w| EmulatorWindow::new(w, fr_cloned, js_cloned),
@@ -85,7 +100,10 @@ impl EmulatorWindow {
         frame_receiver: Arc<FrameReceiver>,
         joypad_sender: Arc<JoypadSender>,
     ) -> Self {
-        let info = WindowInfo::from_logical_size(Size::new(WIDTH as f64, HEIGHT as f64), 1.);
+        let info = WindowInfo::from_logical_size(
+            Size::new(WIDTH as f64, HEIGHT as f64),
+            EXTRA_SCALE as f64,
+        );
 
         let (pix, scale, scaled_buf) = init_pixbuf(info, window);