diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index b71083d..ce9c491 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2512,7 +2512,7 @@
  */
 struct ring_info {
 	struct sk_buff			*skb;
-	DECLARE_PCI_UNMAP_ADDR(mapping)
+	DEFINE_DMA_UNMAP_ADDR(mapping);
 };
 
 struct tg3_config_info {