diff --git a/ChangeLog b/ChangeLog
index 8c336a3..0c45c38 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,10 @@
 Version 1.6.5
 *******************************************************************************
 
+2008-02-02 Marcelo Jimenez <mroberto(at)users.sourceforge.net>
+	* Peter Hartley's fix for wrong sized variable beeing passed to
+	http_MakeMessage() on 64 bit architectures.
+
 
 *******************************************************************************
 Version 1.6.4
diff --git a/upnp/src/ssdp/ssdp_device.c b/upnp/src/ssdp/ssdp_device.c
index ad6a2a9..363efe7 100644
--- a/upnp/src/ssdp/ssdp_device.c
+++ b/upnp/src/ssdp/ssdp_device.c
@@ -335,7 +335,7 @@ CreateServicePacket( IN int msg_type,
             &buf, 1, 1,
             "Q" "sssdc" "sdc" "ssc" "ssc" "ssc" "S" "Xc" "sscc",
             HTTPMETHOD_NOTIFY, "*",
-            1, "HOST: ", SSDP_IP, ":", SSDP_PORT,
+            (size_t)1, "HOST: ", SSDP_IP, ":", SSDP_PORT,
             "CACHE-CONTROL: max-age=", duration,
             "LOCATION: ", location,
             "NT: ", nt,