diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index fd8aee9972c1..cf8fc9afa1ea 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -309,10 +309,7 @@ void iwl_cmd_queue_unmap(struct iwl_priv *priv)
 		i = get_cmd_index(q, q->read_ptr);
 
 		if (txq->meta[i].flags & CMD_MAPPED) {
-			dma_unmap_single(priv->bus.dev,
-					 dma_unmap_addr(&txq->meta[i], mapping),
-					 dma_unmap_len(&txq->meta[i], len),
-					 DMA_BIDIRECTIONAL);
+			iwlagn_unmap_tfd(priv, &txq->meta[i], &txq->tfds[i]);
 			txq->meta[i].flags = 0;
 		}