diff --git a/sys/dev/cxgbe/tom/t4_tom.c b/sys/dev/cxgbe/tom/t4_tom.c
index 9df282fb779d..edc73ac1801b 100644
--- a/sys/dev/cxgbe/tom/t4_tom.c
+++ b/sys/dev/cxgbe/tom/t4_tom.c
@@ -294,6 +294,7 @@ release_offload_resources(struct toepcb *toep)
 	if (toep->ulp_mode == ULP_MODE_TCPDDP)
 		ddp_assert_empty(toep);
 #endif
+	MPASS(TAILQ_EMPTY(&toep->aiotx_jobq));
 
 	if (toep->l2te)
 		t4_l2t_release(toep->l2te);