diff --git a/thread/thread.c b/thread/thread.c
index 376365f..528cfab 100644
--- a/thread/thread.c
+++ b/thread/thread.c
@@ -291,6 +291,7 @@ thread_type *thread_create_c(char *name, void *(*start_routine)(void *),
         start->arg = arg;
         start->thread = thread;
 
+        pthread_attr_setstacksize (&attr, 512*1024);
         pthread_attr_setinheritsched (&attr, PTHREAD_INHERIT_SCHED);
         if (detached)
         {