diff --git a/include/os/linux/spl/sys/types.h b/include/os/linux/spl/sys/types.h
index 4d638efbbc32..9f85685fac77 100644
--- a/include/os/linux/spl/sys/types.h
+++ b/include/os/linux/spl/sys/types.h
@@ -1,71 +1,71 @@
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
  *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
  *  Free Software Foundation; either version 2 of the License, or (at your
  *  option) any later version.
  *
  *  The SPL is distributed in the hope that it will be useful, but WITHOUT
  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  *  for more details.
  *
  *  You should have received a copy of the GNU General Public License along
  *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef _SPL_TYPES_H
 #define	_SPL_TYPES_H
 
 #include <linux/types.h>
 
 typedef enum {
 	B_FALSE = 0,
 	B_TRUE = 1
 } boolean_t;
 
 typedef unsigned char		uchar_t;
 typedef unsigned short		ushort_t;
 typedef unsigned int		uint_t;
 typedef unsigned long		ulong_t;
 typedef unsigned long long	u_longlong_t;
 typedef long long		longlong_t;
 
-typedef unsigned long		intptr_t;
+typedef long			intptr_t;
 typedef unsigned long long	rlim64_t;
 
 typedef struct task_struct	kthread_t;
 typedef struct task_struct	proc_t;
 
 typedef int			id_t;
 typedef short			pri_t;
 typedef short			index_t;
 typedef longlong_t		offset_t;
 typedef u_longlong_t		u_offset_t;
 typedef ulong_t			pgcnt_t;
 
 typedef int			major_t;
 typedef int			minor_t;
 
 struct user_namespace;
 #ifdef HAVE_IOPS_CREATE_IDMAP
 #include <linux/refcount.h>
 struct mnt_idmap {
 	struct user_namespace *owner;
 	refcount_t count;
 };
 typedef struct mnt_idmap	zidmap_t;
 #else
 typedef struct user_namespace	zidmap_t;
 #endif
 
 extern zidmap_t *zfs_init_idmap;
 
 #endif	/* _SPL_TYPES_H */