diff --git a/libguile/ChangeLog b/libguile/ChangeLog
index 94c833b4b..598937469 100644
--- a/libguile/ChangeLog
+++ b/libguile/ChangeLog
@@ -1,3 +1,9 @@
+2005-01-24  Kevin Ryde  <user42@zip.com.au>
+
+	* posix.c (scm_setlocale): Force errno=EINVAL for an error, since
+	POSIX and C99 don't document errno being set.  Reported by Bruno
+	Haible.
+
 2005-01-17  Marius Vollmer  <marius.vollmer@uni-dortmund.de>
 
 	* objects.h, objects.c (scm_classes_initialized): New.