diff --git a/sys/pc98/i386/machdep.c b/sys/pc98/i386/machdep.c
index a77a58324088..5f2952aa20ac 100644
--- a/sys/pc98/i386/machdep.c
+++ b/sys/pc98/i386/machdep.c
@@ -91,6 +91,7 @@
 #include <net/netisr.h>
 
 #include <machine/cpu.h>
+#include <machine/cputypes.h>
 #include <machine/reg.h>
 #include <machine/clock.h>
 #include <machine/specialreg.h>
diff --git a/sys/pc98/pc98/machdep.c b/sys/pc98/pc98/machdep.c
index a77a58324088..5f2952aa20ac 100644
--- a/sys/pc98/pc98/machdep.c
+++ b/sys/pc98/pc98/machdep.c
@@ -91,6 +91,7 @@
 #include <net/netisr.h>
 
 #include <machine/cpu.h>
+#include <machine/cputypes.h>
 #include <machine/reg.h>
 #include <machine/clock.h>
 #include <machine/specialreg.h>