diff --git a/ChangeLog b/ChangeLog
index bff49da611..cc38ba1959 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon May  6 17:43:28 EST 2008 Daniel P. Berrange <berrange@redhat.com>
+
+	* src/memory.c: Add missing stddefs.h for ptrdiff_t type
+
 Tue May  6 23:20:12 EST 2008 Jim Meyering <meyering@redhat.com>
 
 	* build-aux/vc-list-files: Add support for bzr.
diff --git a/src/memory.c b/src/memory.c
index 1ca67fb7d2..1eb1be3c3d 100644
--- a/src/memory.c
+++ b/src/memory.c
@@ -21,6 +21,7 @@
 
 #include <config.h>
 #include <stdlib.h>
+#include <stddef.h>
 
 #include "memory.h"