diff --git a/gui/src/macos/cacao_window_manager.rs b/gui/src/macos/cacao_window_manager.rs
index 837ff74..40bdd2f 100644
--- a/gui/src/macos/cacao_window_manager.rs
+++ b/gui/src/macos/cacao_window_manager.rs
@@ -301,7 +301,14 @@ impl CacaoWindowManager {
         if state {
             let is_running = self.is_emulator_running();
             if is_running {
-                let new_layer_window = new_layer_window(self);
+                let new_layer_window: Sender<RendererMessage<[u8; 4]>> =
+                    match new_layer_window(self) {
+                        Ok(t) => t,
+                        Err(e) => {
+                            log::error!("couldn't create tile window: {e:?}");
+                            return;
+                        }
+                    };
                 if let Some(ref handles) = self.handles {
                     handles
                         .sender
@@ -316,7 +323,13 @@ impl CacaoWindowManager {
         if state {
             let is_running = self.is_emulator_running();
             if is_running {
-                let new_tile_window = new_tile_window(self);
+                let new_tile_window = match new_tile_window(self) {
+                    Ok(t) => t,
+                    Err(e) => {
+                        log::error!("couldn't create tile window: {e:?}");
+                        return;
+                    }
+                };
                 if let Some(ref handles) = self.handles {
                     handles
                         .sender
diff --git a/gui/src/macos/mod.rs b/gui/src/macos/mod.rs
index e4ad9ac..55cf43e 100644
--- a/gui/src/macos/mod.rs
+++ b/gui/src/macos/mod.rs
@@ -170,7 +170,13 @@ impl Dispatcher for TwincUiApp {
                 let (output, stream) = audio::create_output(false);
                 let mut window_manager = self.current_game.write().unwrap();
                 window_manager.update_handles(sender, stream);
-                let mut core = frontend_common::run(prepared, &mut *window_manager, output);
+                let mut core = match frontend_common::run(prepared, &mut *window_manager, output) {
+                    Ok(c) => c,
+                    Err(e) => {
+                        log::error!("couldn't create emulator core: {e:?}");
+                        return;
+                    }
+                };
                 let handle = std::thread::Builder::new()
                     .name(String::from("EmuCore"))
                     .spawn(move || loop {