diff --git a/lib/ChangeLog b/lib/ChangeLog
index 5666cba..4360c83 100644
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,3 +1,7 @@
+2007-05-10 Paul Jakma <paul.jakma@sun.com>
+
+	* zebra.h: Don't try define _GNU_SOURCE, autoconf should do it.
+
 2007-05-03 Paul Jakma <paul.jakma@sun.com>
 
 	* memtypes.c: Add MTYPE_ATTR_EXTRA and MTYPE_BGP_ROUTE_EXTRA