diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 44ac9e2..72d1e18 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7787,7 +7787,7 @@
 			tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
 			     (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
 			     BDINFO_FLAGS_USE_EXT_RECV);
-			if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
+			if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717)
 				tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
 				     NIC_SRAM_RX_JUMBO_BUFFER_DESC);
 		} else {