diff --git a/src/thread/pthread_join.c b/src/thread/pthread_join.c
index 1b0c4f35..86191f25 100644
--- a/src/thread/pthread_join.c
+++ b/src/thread/pthread_join.c
@@ -6,8 +6,8 @@ static void dummy(void *p)
 
 int pthread_join(pthread_t t, void **res)
 {
-	int tmp = t->tid;
-	if (tmp) __timedwait(&t->tid, tmp, 0, 0, dummy, 0, 0);
+	int tmp;
+	while ((tmp = t->tid)) __timedwait(&t->tid, tmp, 0, 0, dummy, 0, 0);
 	if (res) *res = t->result;
 	if (t->map_base) munmap(t->map_base, t->map_size);
 	return 0;