diff --git a/src/core/lib/promise/activity.h b/src/core/lib/promise/activity.h
index 65b644902c729..742b63ccf599c 100644
--- a/src/core/lib/promise/activity.h
+++ b/src/core/lib/promise/activity.h
@@ -638,7 +638,9 @@ ActivityPtr MakeActivity(Factory promise_factory,
 }
 
 inline Pending IntraActivityWaiter::pending() {
-  wakeups_ |= GetContext<Activity>()->CurrentParticipant();
+  if (Activity::current()) {
+    wakeups_ |= GetContext<Activity>()->CurrentParticipant();
+  }
   return Pending();
 }