diff --git a/apps/desktop/test/desktop-browser-view-manager.test.ts b/apps/desktop/test/desktop-browser-view-manager.test.ts
index 0d1c04595..5a10a12bb 100644
--- a/apps/desktop/test/desktop-browser-view-manager.test.ts
+++ b/apps/desktop/test/desktop-browser-view-manager.test.ts
@@ -586,8 +586,14 @@ const electronMock = vi.hoisted(() => {
 
   class FakeSession {
     public readonly willDownloadListeners: FakeSessionListener[] = [];
+    public readonly userAgentCalls: string[] = [];
     public permissionCheckHandler: FakePermissionCheckHandler | null = null;
     public permissionRequestHandler: FakePermissionRequestHandler | null = null;
+    private readonly defaultUserAgent =
+      "Mozilla/5.0 Chrome/140.0.0.0 Electron/41.7.0 bb/0.41.0";
+    getUserAgent(): string {
+      return this.defaultUserAgent;
+    }
     on(eventName: "will-download", listener: FakeSessionListener): void {
       this.willDownloadListeners.push(listener);
     }
@@ -599,6 +605,10 @@ const electronMock = vi.hoisted(() => {
     setPermissionRequestHandler(handler: FakePermissionRequestHandler): void {
       this.permissionRequestHandler = handler;
     }
+
+    setUserAgent(userAgent: string): void {
+      this.userAgentCalls.push(userAgent);
+    }
   }
 
   const fakeSessions: FakeSession[] = [];
@@ -811,6 +821,28 @@ function scopedOpenTabPushesOf(
 }
 
 describe("DesktopBrowserViewManager", () => {
+  it("removes application identity tokens from the embedded browser user agent", () => {
+    const manager = createDesktopBrowserViewManager({
+      partition: "persist:test",
+    });
+    const hostWindow = new FakeHostWindow({
+      contentBounds: { width: 700, height: 450 },
+      webContentsId: 75,
+    });
+
+    attachBrowserTab({
+      manager,
+      hostWindow,
+      tabId: "browser:a",
+      url: "https://artifact.invalid/",
+    });
+
+    const fakeSession = electronMock.fakeSessions.at(-1);
+    expect(fakeSession).toBeDefined();
+    expect(fakeSession?.userAgentCalls).toHaveLength(1);
+    expect(fakeSession?.userAgentCalls[0]).not.toMatch(/\b(?:Electron|bb)\//u);
+  });
+
   it("forwards resolved browser shortcuts and suppresses the untrusted page", () => {
     const dispatchAppCommand = vi.fn();
     const focusHostWebContents = vi.fn();