diff --git a/components/libc/aio/posix_aio.c b/components/libc/aio/posix_aio.c
index e310ef1906c61cbf968370617dd4d5a48fd31f0f..d7a0bac6d7d006febaeedc1be5f1fbd5075f57cb 100644
--- a/components/libc/aio/posix_aio.c
+++ b/components/libc/aio/posix_aio.c
@@ -19,6 +19,10 @@
 
 #include "posix_aio.h"
 
+#ifndef RT_POSIX_AIO_THREAD_STACK_SIZE
+#define RT_POSIX_AIO_THREAD_STACK_SIZE 2048
+#endif
+
 struct rt_workqueue* aio_queue = NULL;
 
 /**