diff --git a/sys/netinet/tcp_stacks/rack.c b/sys/netinet/tcp_stacks/rack.c
--- a/sys/netinet/tcp_stacks/rack.c
+++ b/sys/netinet/tcp_stacks/rack.c
@@ -6063,7 +6063,7 @@
 	/* Push bit must go to the right edge as well */
 	if (rsm->r_flags & RACK_HAD_PUSH)
 		rsm->r_flags &= ~RACK_HAD_PUSH;
-	
+
 	/*
 	 * Now we need to find nrsm's new location in the mbuf chain
 	 * we basically calculate a new offset, which is soff +
@@ -10482,6 +10482,7 @@
 	rack_handle_delayed_ack(tp, rack, tlen, 0);
 	if (tp->snd_una == tp->snd_max)
 		sack_filter_clear(&rack->r_ctl.rack_sf, tp->snd_una);
+	tcp_handle_wakeup(tp, so);
 	return (1);
 }