diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index afb79db5327eeab0b9d9e9e787d8c09d23d0a28a..b8ae5e19ced5883800bb84072f983963258fcafd 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -5761,7 +5761,7 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
 	dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
 
 	if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
-	    !mss && skb->len > ETH_DATA_LEN)
+	    !mss && skb->len > VLAN_ETH_FRAME_LEN)
 		base_flags |= TXD_FLAG_JMB_PKT;
 
 	tg3_set_txd(tnapi, entry, mapping, len, base_flags,
@@ -5995,7 +5995,7 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 #endif
 
 	if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
-	    !mss && skb->len > ETH_DATA_LEN)
+	    !mss && skb->len > VLAN_ETH_FRAME_LEN)
 		base_flags |= TXD_FLAG_JMB_PKT;
 
 	len = skb_headlen(skb);