diff --git a/bsd-user/freebsd/host-os.h b/bsd-user/freebsd/host-os.h
index dfb8344..40cae72 100644
--- a/bsd-user/freebsd/host-os.h
+++ b/bsd-user/freebsd/host-os.h
@@ -17,9 +17,9 @@
  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _HOST_OS_H_
-#define _HOST_OS_H_
+#ifndef HOST_OS_H
+#define HOST_OS_H
 
 #define HOST_DEFAULT_BSD_TYPE target_freebsd
 
-#endif /*!_HOST_OS_H_ */
+#endif /* HOST_OS_H */