diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index a3e3895..0f6f974 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2792,7 +2792,7 @@
 					pkt_size, PCI_DMA_FROMDEVICE);
 				rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
 			} else {
-				pci_unmap_single(pdev, addr, pkt_size,
+				pci_unmap_single(pdev, addr, tp->rx_buf_sz,
 						 PCI_DMA_FROMDEVICE);
 				tp->Rx_skbuff[entry] = NULL;
 			}