diff --git a/app/stores/AuthStore.ts b/app/stores/AuthStore.ts
index 8cc3e3e9b..3f745098d 100644
--- a/app/stores/AuthStore.ts
+++ b/app/stores/AuthStore.ts
@@ -10,6 +10,7 @@ import Team from "~/models/Team";
 import User from "~/models/User";
 import env from "~/env";
 import { client } from "~/utils/ApiClient";
+import Desktop from "~/utils/Desktop";
 import Storage from "~/utils/Storage";
 
 const AUTH_STORE = "AUTH_STORE";
@@ -325,5 +326,8 @@ export default class AuthStore {
     this.team = null;
     this.policies = [];
     this.token = null;
+
+    // Tell the host application we logged out, if any – allows window cleanup.
+    Desktop.bridge?.onLogout?.();
   };
 }
diff --git a/app/typings/window.d.ts b/app/typings/window.d.ts
index e8dd0a084..8442161ca 100644
--- a/app/typings/window.d.ts
+++ b/app/typings/window.d.ts
@@ -31,6 +31,11 @@ declare global {
        */
       onTitlebarDoubleClick: () => Promise<void>;
 
+      /**
+       * Passes log out events from the app to the main process
+       */
+      onLogout: () => Promise<void>;
+
       /**
        * Adds a custom host to config
        */