diff --git a/CHANGELOG b/CHANGELOG
index 29f606c5..bd1c39c6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -247,6 +247,10 @@ HISTORY
 
   ++ Bug fixes:
 
+  2007-07-13 Thomas Taranowski (commited by Jared Grubb)
+  * memp.c: Fix bug #20478: memp_malloc returned NULL+MEMP_SIZE on failed
+    allocation. It now returns NULL.
+
   2007-07-13 Frédéric Bernon
   * api_msg.c: Fix bug #20318: api_msg "recv" callbacks don't call pbuf_free in
     all error cases.