diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index 6bdcf07476..a15ad4389d 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,5 +1,7 @@
 2010-10-08	Ralf Corsépius <ralf.corsepius@rtems.org>
 
+	* configure.ac: pthread_attr* functions are in <pthread.h>, not in
+	<pthreads.h>.
 	* aclocal/check-func.m4: Linearize checks.
 	Add missing $2 to AC_CHECK_DECL.
 
diff --git a/cpukit/configure.ac b/cpukit/configure.ac
index d42e8fd1f3..0e2b65afe2 100644
--- a/cpukit/configure.ac
+++ b/cpukit/configure.ac
@@ -79,10 +79,10 @@ RTEMS_CHECK_FUNC([setpgrp],[#include <unistd.h>])
 RTEMS_CHECK_FUNC([getpgrp],[#include <unistd.h>])
 
 # pthread-functions not declared in some versions of newlib.
-RTEMS_CHECK_FUNC([pthread_attr_getguardsize],[#include <pthreads.h>])
-RTEMS_CHECK_FUNC([pthread_attr_setguardsize],[#include <pthreads.h>])
-RTEMS_CHECK_FUNC([pthread_attr_setstack],[#include <pthreads.h>])
-RTEMS_CHECK_FUNC([pthread_attr_getstack],[#include <pthreads.h>])
+RTEMS_CHECK_FUNC([pthread_attr_getguardsize],[#include <pthread.h>])
+RTEMS_CHECK_FUNC([pthread_attr_setguardsize],[#include <pthread.h>])
+RTEMS_CHECK_FUNC([pthread_attr_setstack],[#include <pthread.h>])
+RTEMS_CHECK_FUNC([pthread_attr_getstack],[#include <pthread.h>])
 
 # Newlib's unix/ directory
 AC_CHECK_FUNCS([ttyname getcwd])