diff --git a/sys/i386/isa/b004.c b/sys/i386/isa/b004.c
index d654135f305b..02b52eb85ccd 100644
--- a/sys/i386/isa/b004.c
+++ b/sys/i386/isa/b004.c
@@ -55,6 +55,8 @@
 /* #include "buf.h" */
 /* #include "kernel.h"  */
 #include <sys/uio.h>
+#include <sys/devconf.h>
+#include <i386/isa/isa.h>
 /* #include "sys/ioctl.h" */
 /* #include "syslog.h" */