diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 67bbd7ba406..3bf4b9b6662 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -419,6 +419,7 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
 		card->spider_stats.rx_iommu_map_error++;
 		descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
 	} else {
+		wmb();
 		descr->dmac_cmd_status = SPIDER_NET_DESCR_CARDOWNED |
 					 SPIDER_NET_DMAC_NOINTR_COMPLETE;
 	}