diff --git a/ChangeLog b/ChangeLog
index b890bcf013..2663b9caeb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2012-08-14  Roland McGrath  <roland@hack.frob.com>
+
+	* elf/dl-open.c: Include <atomic.h>.
+
 2012-08-14  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/kernel-features.h
diff --git a/elf/dl-open.c b/elf/dl-open.c
index 00781afcf7..0bc447aae0 100644
--- a/elf/dl-open.c
+++ b/elf/dl-open.c
@@ -1,5 +1,5 @@
 /* Load a shared object at runtime, relocate it, and run its initializer.
-   Copyright (C) 1996-2007, 2009-2012 Free Software Foundation, Inc.
+   Copyright (C) 1996-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -33,6 +33,7 @@
 #include <sysdep-cancel.h>
 #include <tls.h>
 #include <stap-probe.h>
+#include <atomic.h>
 
 #include <dl-dst.h>