diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c
index db6b1977f8..2691cfb710 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c
@@ -849,7 +849,7 @@ static int fe_poll_rx(struct napi_struct *napi, int budget,
 
 		dma_unmap_single(&netdev->dev, trxd.rxd1,
 				ring->rx_buf_size, DMA_FROM_DEVICE);
-		pktlen = RX_DMA_PLEN0(trxd.rxd2);
+		pktlen = RX_DMA_GET_PLEN0(trxd.rxd2);
 		skb->dev = netdev;
 		skb_put(skb, pktlen);
 		if (trxd.rxd4 & checksum_bit) {
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h
index 78e04b025e..51b087c6db 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h
@@ -310,7 +310,8 @@ enum fe_work_flag {
 /* rxd2 */
 #define RX_DMA_DONE		BIT(31)
 #define RX_DMA_LSO		BIT(30)
-#define RX_DMA_PLEN0(_x)	(((_x) >> 16) & 0x3fff)
+#define RX_DMA_PLEN0(_x)	(((_x) & 0x3fff) << 16)
+#define RX_DMA_GET_PLEN0(_x)	(((_x) >> 16) & 0x3fff)
 #define RX_DMA_TAG		BIT(15)
 /* rxd3 */
 #define RX_DMA_TPID(_x)		(((_x) >> 16) & 0xffff)