diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
index a323185507ec248dbab8dc345cdaf73ec935f38d..9232becc965d51e8daa6d0fbd3c7b190b5a45509 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
@@ -172,6 +172,7 @@ CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN
 	CH_PCI_ID_TABLE_FENTRY(0x509e), /* Custom T520-CR */
 	CH_PCI_ID_TABLE_FENTRY(0x509f), /* Custom T540-CR */
 	CH_PCI_ID_TABLE_FENTRY(0x50a0), /* Custom T540-CR */
+	CH_PCI_ID_TABLE_FENTRY(0x50a1), /* Custom T540-CR */
 
 	/* T6 adapters:
 	 */