diff --git a/cpukit/posix/src/_execve.c b/cpukit/posix/src/_execve.c
index aa57ccb8a3..aecf838a5f 100644
--- a/cpukit/posix/src/_execve.c
+++ b/cpukit/posix/src/_execve.c
@@ -6,7 +6,7 @@
  */
 
 /*
- *  COPYRIGHT (c) 1989-2007.
+ *  COPYRIGHT (c) 1989-2013.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -18,8 +18,14 @@
 #include "config.h"
 #endif
 
+/*
+ *  Needed to get the prototype for this newlib helper method
+ */
+#define _COMPILING_NEWLIB
+
 #include <errno.h>
 #include <rtems/seterr.h>
+#include <sys/unistd.h>
 
 int _execve(
   const char *path __attribute__((unused)),