diff --git a/src/lib.rs b/src/lib.rs
index e051a68..e19d7f8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -93,6 +93,13 @@ pub struct Args {
     pub ra_password: Option<String>,
 }
 
+#[cfg(feature = "gui")]
+fn set_app_id() {
+    if let Err(e) = slint::set_xdg_app_id(ui::APP_ID) {
+        eprintln!("Could not set application ID: {}", e);
+    }
+}
+
 pub async fn run(args: Args, arg_count: usize) -> std::io::Result<()> {
     let dirs = ui::get_dirs();
 
@@ -299,6 +306,7 @@ pub async fn run(args: Args, arg_count: usize) -> std::io::Result<()> {
         #[cfg(feature = "gui")]
         {
             let app = ui::gui::AppWindow::new().unwrap();
+            set_app_id();
             ui::gui::app_window(&app, false);
         }
     }
diff --git a/src/ui.rs b/src/ui.rs
index 0a9aa1f..ede5ef0 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -17,6 +17,8 @@ pub mod video;
 #[cfg(all(feature = "gui", not(target_os = "android")))]
 pub mod vru;
 
+pub const APP_ID: &str = "io.github.gopher64.gopher64";
+
 pub static WEB_CLIENT: std::sync::LazyLock<reqwest::Client> = std::sync::LazyLock::new(|| {
     reqwest::Client::builder()
         .user_agent(format!(
@@ -113,6 +115,8 @@ pub fn sdl_hints() {
             sdl3_sys::everything::SDL_HINT_ANDROID_ALLOW_RECREATE_ACTIVITY,
             hint.as_ptr(),
         );
+        let app_id = std::ffi::CString::new(APP_ID).unwrap();
+        sdl3_sys::everything::SDL_SetHint(sdl3_sys::everything::SDL_HINT_APP_ID, app_id.as_ptr());
     }
 }