diff --git a/ChangeLog b/ChangeLog
index 880b58b1..4f479ef2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-05-25  Giuseppe Scrivano  <gscrivano@gnu.org>
+
+	* bootstrap.conf (gnulib_modules): Add `strerror_r-posix'.
+
 2011-05-19  Giuseppe Scrivano  <gscrivano@gnu.org>
 
 	* COPYING: Fix the copyright years.
diff --git a/bootstrap.conf b/bootstrap.conf
index 0b16175f..2537f825 100644
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -60,6 +60,7 @@ snprintf
 socket
 stdbool
 strcasestr
+strerror_r-posix
 unlocked-io
 update-copyright
 vasprintf