diff --git a/src/network/net_tulip.c b/src/network/net_tulip.c
index b7a5956b3..8c73c4fc2 100644
--- a/src/network/net_tulip.c
+++ b/src/network/net_tulip.c
@@ -646,7 +646,7 @@ static const uint16_t tulip_mdi_default[] = {
     0x0000,
     /* MDI Registers 16 - 31 */
     0x0003,
-    0x0000,
+    0x0600,
     0x0001,
     0x0000,
     0x0000,