diff --git a/sys/arch/i386/isa/isa.h b/sys/arch/i386/isa/isa.h
index 1bc0cc5ff5b6..e7ac6fde50ef 100644
--- a/sys/arch/i386/isa/isa.h
+++ b/sys/arch/i386/isa/isa.h
@@ -95,7 +95,11 @@ unsigned kbd_8042cmd(int);
 #define	IO_BT1          0x334		/* bustek 742a default addr. */
 #define IO_AHA1         0x334		/* adaptec 1542 default addr. */
 
-					/* 0x338 - 0x36F Open */
+					/* 0x338 - 0x34F Open */
+
+#define IO_WDS		0x350		/* WD7000 scsi */
+
+					/* 0x354 - 0x36F Open */
 
 #define IO_FD2		0x370		/* secondary base i/o address */
 #define IO_LPT1		0x378		/* Parallel Port #1 */
diff --git a/sys/arch/i386/isa/wd7000.c b/sys/arch/i386/isa/wd7000.c
index 0ee838916bf2..ff993cf3d6a7 100644
--- a/sys/arch/i386/isa/wd7000.c
+++ b/sys/arch/i386/isa/wd7000.c
@@ -17,7 +17,7 @@
  * drivers to finish off the job..
  */
 #include "wds.h"
-#if WDS > 0
+#if NWDS > 0
 
 #include <sys/types.h>
 #include <sys/param.h>
diff --git a/sys/dev/isa/wd7000.c b/sys/dev/isa/wd7000.c
index 0ee838916bf2..ff993cf3d6a7 100644
--- a/sys/dev/isa/wd7000.c
+++ b/sys/dev/isa/wd7000.c
@@ -17,7 +17,7 @@
  * drivers to finish off the job..
  */
 #include "wds.h"
-#if WDS > 0
+#if NWDS > 0
 
 #include <sys/types.h>
 #include <sys/param.h>