diff --git a/src/thread/thread.c b/src/thread/thread.c
index bda3397..fa7ef59 100644
--- a/src/thread/thread.c
+++ b/src/thread/thread.c
@@ -147,6 +147,7 @@ void thread_exit(void *retval) {
   running->status |= FINISHED;
   running->retvalue = retval;
   thread_yield();
+  exit(0);
 }
 
 int thread_mutex_init(thread_mutex_t *mutex) {