diff --git a/libc/signal/sig_set.c b/libc/signal/sig_set.c
index de0b27def3..f8fc3cf686 100644
--- a/libc/signal/sig_set.c
+++ b/libc/signal/sig_set.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * libc/signal/sig_set.c
  *
- *   Copyright (C) 2015-2016 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2015-2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -109,7 +109,7 @@
  *
  ****************************************************************************/
 
-CODE void (*sigset(int signo, CODE void (*func)(int signo)))(int signo)
+_sa_handler_t sigset(int signo, _sa_handler_t func)
 {
   _sa_handler_t disposition;
   sigset_t set;
diff --git a/libc/signal/signal.c b/libc/signal/signal.c
index f9986bb6f3..5b98e7811a 100644
--- a/libc/signal/signal.c
+++ b/libc/signal/signal.c
@@ -70,7 +70,7 @@
  *
  ****************************************************************************/
 
-_sa_sighandler_t signal(int signo, _sa_handler_t func);
+_sa_handler_t signal(int signo, _sa_handler_t func)
 {
   struct sigaction act;
   struct sigaction oact;