diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 4400154fc..903e76797 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2012-02-08  Corinna Vinschen  <corinna@vinschen.de>
+
+	* include/sys/sysmacros.h: Include sys/types.h.
+
 2012-02-07  Corinna Vinschen  <corinna@vinschen.de>
 
 	* mount.cc (mount_info::create_root_entry): Fix format specifier in
diff --git a/winsup/cygwin/include/sys/sysmacros.h b/winsup/cygwin/include/sys/sysmacros.h
index 78f2db2d5..13681f17c 100644
--- a/winsup/cygwin/include/sys/sysmacros.h
+++ b/winsup/cygwin/include/sys/sysmacros.h
@@ -1,6 +1,6 @@
 /* sys/sysmacros.h
 
-   Copyright 1998, 2001, 2010, 2011 Red Hat, Inc.
+   Copyright 1998, 2001, 2010, 2011, 2012 Red Hat, Inc.
 
 This file is part of Cygwin.
 
@@ -11,6 +11,8 @@ details. */
 #ifndef _SYS_SYSMACROS_H
 #define _SYS_SYSMACROS_H
 
+#include <sys/types.h>
+
 _ELIDABLE_INLINE int gnu_dev_major(dev_t);
 _ELIDABLE_INLINE int gnu_dev_minor(dev_t);
 _ELIDABLE_INLINE dev_t gnu_dev_makedev(int, int);