diff --git a/src-tauri/src/api.rs b/src-tauri/src/api.rs
index 1bdd970..98b5804 100644
--- a/src-tauri/src/api.rs
+++ b/src-tauri/src/api.rs
@@ -265,7 +265,7 @@ pub fn subscribe_event(
     callback_id: String,
     event_bus: State<'_, Arc<EventBus>>
 ) -> Result<String, String> {
-    let id = event_bus.subscribe(&event_type, callback_id);
+    let id = event_bus.subscribe(event_type, callback_id);
     Ok(id)
 }
 
diff --git a/src-tauri/src/events.rs b/src-tauri/src/events.rs
index 7ef71b0..b2eb1cf 100644
--- a/src-tauri/src/events.rs
+++ b/src-tauri/src/events.rs
@@ -55,14 +55,14 @@ impl EventBus {
     
     pub fn subscribe(
         &self,
-        event_type: &str,
+        event_type: String,
         handler_id: String
     ) -> SubscriptionId {
         let id = Uuid::new_v4().to_string();
         
         // Store subscription info - actual handler would be connected via frontend
         let mut subs = self.subscribers.lock().unwrap();
-        let handlers = subs.entry(event_type.to_string()).or_insert_with(Vec::new);
+        let handlers = subs.entry(event_type.clone()).or_insert_with(Vec::new);
         
         // Create a handler that emits to frontend
         let handler = Box::new(move |data: Value| {
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index 43a1bd5..1c96b66 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -98,7 +98,7 @@ fn main() {
             window::setup_main_window(&main_window);
             
             // Create overlay window (hidden initially)
-            window::create_overlay_window(app.handle());
+            window::create_overlay_window(&app.handle());
             
             // Register default hotkeys
             hotkey_manager.register_defaults();