diff --git a/core/sys/mt.c b/core/sys/mt.c
index 430440fe8..b59d9463d 100644
--- a/core/sys/mt.c
+++ b/core/sys/mt.c
@@ -100,6 +100,7 @@ mt_yield(void)
 void
 mt_exit(void)
 {
+  mtarch_pstop();
   current->state = MT_STATE_EXITED;
   current = NULL;
   mtarch_yield();