diff --git a/sys/dev/ic/elink3reg.h b/sys/dev/ic/elink3reg.h
index 0a60e8b83bf3..165415c37856 100644
--- a/sys/dev/ic/elink3reg.h
+++ b/sys/dev/ic/elink3reg.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: elink3reg.h,v 1.16 1998/08/15 16:47:30 thorpej Exp $	*/
+/*	$NetBSD: elink3reg.h,v 1.17 1998/08/15 16:50:07 thorpej Exp $	*/
 
 /*
  * Copyright (c) 1995 Herb Peyerl <hpeyerl@beer.org>
@@ -411,6 +411,8 @@
 				 EP_PCI_100BASE_FX|EP_PCI_10BASE_T| \
 				 EP_PCI_BNC|EP_PCI_AUI|EP_PCI_100BASE_MII)
 
+#define	EP_RUNNER_ENABLE_MII		0x8000
+
 /*
  * FIFO Status (Window 4)
  *