diff --git a/sys/dev/cxgbe/tom/t4_tom.c b/sys/dev/cxgbe/tom/t4_tom.c
index 97693ab7400..1c9999be339 100644
--- a/sys/dev/cxgbe/tom/t4_tom.c
+++ b/sys/dev/cxgbe/tom/t4_tom.c
@@ -1024,6 +1024,7 @@ final_cpl_received(struct toepcb *toep)
 		tls_detach(toep);
 	toep->inp = NULL;
 	toep->flags &= ~TPF_CPL_PENDING;
+	mbufq_drain(&toep->ulp_pduq);
 	mbufq_drain(&toep->ulp_pdu_reclaimq);
 
 	if (!(toep->flags & TPF_ATTACHED))