diff --git a/hub/src/sync/aliveEvents.test.ts b/hub/src/sync/aliveEvents.test.ts
index c36a455b..ec74fdf1 100644
--- a/hub/src/sync/aliveEvents.test.ts
+++ b/hub/src/sync/aliveEvents.test.ts
@@ -108,7 +108,10 @@ describe('alive incremental events', () => {
             expect(engine.getSession(session.id)?.activeAt).toBe(activeAtBeforeSend)
             expect(emittedSocketUpdates.length).toBeGreaterThan(0)
 
-            const update = events.find((event) => event.type === 'session-updated')
+            const update = events.find((event) => (
+                event.type === 'session-updated'
+                && (event.data as { thinking?: unknown }).thinking === true
+            ))
             expect(update).toBeDefined()
             if (!update || update.type !== 'session-updated') {
                 return