diff --git a/sys/arm/include/reg.h b/sys/arm/include/reg.h
index ab70ae128d39..494052f64732 100644
--- a/sys/arm/include/reg.h
+++ b/sys/arm/include/reg.h
@@ -1,42 +1,44 @@
 /*	$NetBSD: reg.h,v 1.2 2001/02/23 21:23:52 reinoud Exp $	*/
 /* $FreeBSD$ */
 #ifndef MACHINE_REG_H
 #define MACHINE_REG_H
 
+#include <sys/_types.h>
+
 struct reg {
 	unsigned int r[13];
 	unsigned int r_sp;
 	unsigned int r_lr;
 	unsigned int r_pc;
 	unsigned int r_cpsr;
 };
 
 struct fp_extended_precision {
-	u_int32_t fp_exponent;
-	u_int32_t fp_mantissa_hi;
-	u_int32_t fp_mantissa_lo;
+	__uint32_t fp_exponent;
+	__uint32_t fp_mantissa_hi;
+	__uint32_t fp_mantissa_lo;
 };
 
 typedef struct fp_extended_precision fp_reg_t;
 
 struct fpreg {
 	unsigned int fpr_fpsr;
 	fp_reg_t fpr[8];
 };
 
 struct dbreg {
 #define	ARM_WR_MAX	16 /* Maximum number of watchpoint registers */
 	unsigned int dbg_wcr[ARM_WR_MAX]; /* Watchpoint Control Registers */
 	unsigned int dbg_wvr[ARM_WR_MAX]; /* Watchpoint Value Registers */
 };
 
 #ifdef _KERNEL
 int     fill_regs(struct thread *, struct reg *);
 int     set_regs(struct thread *, struct reg *);
 int     fill_fpregs(struct thread *, struct fpreg *);
 int     set_fpregs(struct thread *, struct fpreg *);
 int     fill_dbregs(struct thread *, struct dbreg *);
 int     set_dbregs(struct thread *, struct dbreg *);
 #endif
 
 #endif /* !MACHINE_REG_H */