diff --git a/sys/conf/options.pc98 b/sys/conf/options.pc98
index 2661cae5cd70..27c850c2a5b7 100644
--- a/sys/conf/options.pc98
+++ b/sys/conf/options.pc98
@@ -1,4 +1,4 @@
-#	$Id: options.pc98,v 1.54 1998/02/21 15:50:26 kato Exp $
+#	$Id: options.pc98,v 1.55 1998/02/21 16:17:42 kato Exp $
 BOUNCEPAGES		opt_bounce.h
 DISABLE_PSE
 USER_LDT
@@ -122,6 +122,9 @@ PCVT_VT220KEYB		opt_pcvt.h
 # bs driver options
 SCSI_BOUNCE_SIZE	opt_bs.h
 
+# npx options
+FPU_ERROR_BROKEN	opt_npx.h
+
 # PC98 options
 PC98			opt_global.h
 EPSON_MEMWIN		opt_pc98.h
diff --git a/sys/pc98/conf/options.pc98 b/sys/pc98/conf/options.pc98
index 2661cae5cd70..27c850c2a5b7 100644
--- a/sys/pc98/conf/options.pc98
+++ b/sys/pc98/conf/options.pc98
@@ -1,4 +1,4 @@
-#	$Id: options.pc98,v 1.54 1998/02/21 15:50:26 kato Exp $
+#	$Id: options.pc98,v 1.55 1998/02/21 16:17:42 kato Exp $
 BOUNCEPAGES		opt_bounce.h
 DISABLE_PSE
 USER_LDT
@@ -122,6 +122,9 @@ PCVT_VT220KEYB		opt_pcvt.h
 # bs driver options
 SCSI_BOUNCE_SIZE	opt_bs.h
 
+# npx options
+FPU_ERROR_BROKEN	opt_npx.h
+
 # PC98 options
 PC98			opt_global.h
 EPSON_MEMWIN		opt_pc98.h
diff --git a/sys/pc98/pc98/npx.c b/sys/pc98/pc98/npx.c
index 6e8646a3f257..727e140fa078 100644
--- a/sys/pc98/pc98/npx.c
+++ b/sys/pc98/pc98/npx.c
@@ -32,7 +32,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)npx.c	7.2 (Berkeley) 5/12/91
- *	$Id: npx.c,v 1.31 1998/02/13 09:32:50 kato Exp $
+ *	$Id: npx.c,v 1.32 1998/02/15 11:19:15 kato Exp $
  */
 
 #include "npx.h"
@@ -40,6 +40,7 @@
 
 #include "opt_debug_npx.h"
 #include "opt_math_emulate.h"
+#include "opt_npx.h"
 
 #include <sys/param.h>
 #include <sys/systm.h>