diff --git a/aos/init.cc b/aos/init.cc
index e506d86..957899c7 100644
--- a/aos/init.cc
+++ b/aos/init.cc
@@ -62,6 +62,7 @@
   InitStart();
   aos_core_create_shared_mem(false, for_realtime && ShouldBeRealtime());
   logging::RegisterQueueImplementation();
+  ExpandStackSize();
   AOS_LOG(INFO, "%s initialized non-realtime\n", program_invocation_short_name);
 }