diff --git a/extensions/installedApps.test.ts b/extensions/installedApps.test.ts
index 5a8c87859..d5d19735f 100644
--- a/extensions/installedApps.test.ts
+++ b/extensions/installedApps.test.ts
@@ -132,6 +132,9 @@ describe('installedApps extension — handleInstalledApps', () => {
         expect(list[0].uid).toBe(app!.uid);
         expect(list[0].name).toBe(app!.name);
         expect(list[0].title).toBe(app!.title);
+        // index_url is required so the dashboard can derive a hostname title
+        // for anonymous (app-…) apps.
+        expect(list[0].index_url).toBe(app!.index_url);
         expect(Object.prototype.hasOwnProperty.call(list[0], 'iconUrl')).toBe(
             true,
         );
diff --git a/extensions/installedApps.ts b/extensions/installedApps.ts
index 9b3014897..62feae22f 100644
--- a/extensions/installedApps.ts
+++ b/extensions/installedApps.ts
@@ -49,6 +49,7 @@ export const handleInstalledApps = async (
             apps.title,
             apps.description,
             apps.icon,
+            apps.index_url,
             MIN(perm.dt) AS installed_at
         FROM apps
         LEFT JOIN user_to_app_permissions AS perm ON apps.id = perm.app_id