diff --git a/sys/dev/md/md.c b/sys/dev/md/md.c
index bc61930fb83d..5059943cf46f 100644
--- a/sys/dev/md/md.c
+++ b/sys/dev/md/md.c
@@ -735,6 +735,7 @@ mdinit(struct md_s *sc)
 	sc->pp = pp;
 	g_error_provider(pp, 0);
 	g_topology_unlock();
+	g_waitidle();
 	PICKUP_GIANT();
 }