diff --git a/doc/Changelog b/doc/Changelog
index 3cd711069..737315d80 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,5 +1,6 @@
 9 February 2010: Wouter
 	- Fixup in compat snprintf routine, %f 1.02 and %g support.
+	- include math.h for testbound test compile portability.
 
 2 February 2010: Wouter
 	- Updated url of IANA itar, interim trust anchor repository, in script.
diff --git a/testcode/replay.c b/testcode/replay.c
index 03f5781f3..9839ee7d0 100644
--- a/testcode/replay.c
+++ b/testcode/replay.c
@@ -40,6 +40,8 @@
  */
 
 #include "config.h"
+/* for strtod prototype */
+#include <math.h>
 #include "util/log.h"
 #include "util/net_help.h"
 #include "util/config_file.h"