2 files changed, 3 insertions, 3 deletions
diff --git a/Swiften/Serializer/PayloadSerializers/JingleContentPayloadSerializer.cpp b/Swiften/Serializer/PayloadSerializers/JingleContentPayloadSerializer.cpp
index 48da742..0e21812 100644
--- a/Swiften/Serializer/PayloadSerializers/JingleContentPayloadSerializer.cpp
+++ b/Swiften/Serializer/PayloadSerializers/JingleContentPayloadSerializer.cpp
@@ -20,8 +20,6 @@
 #include <Swiften/Serializer/PayloadSerializers/JingleIBBTransportPayloadSerializer.h>
 #include <Swiften/Serializer/PayloadSerializers/JingleS5BTransportPayloadSerializer.h>
 
-#include "Swiften/FileTransfer/JingleTransport.h"
-
 namespace Swift {
 
 JingleContentPayloadSerializer::JingleContentPayloadSerializer() {
diff --git a/Swiften/Serializer/PayloadSerializers/JingleIBBTransportPayloadSerializer.cpp b/Swiften/Serializer/PayloadSerializers/JingleIBBTransportPayloadSerializer.cpp
index 029a5b4..61e093f 100644
--- a/Swiften/Serializer/PayloadSerializers/JingleIBBTransportPayloadSerializer.cpp
+++ b/Swiften/Serializer/PayloadSerializers/JingleIBBTransportPayloadSerializer.cpp
@@ -22,7 +22,9 @@ JingleIBBTransportPayloadSerializer::JingleIBBTransportPayloadSerializer() {
 
 std::string JingleIBBTransportPayloadSerializer::serializePayload(boost::shared_ptr<JingleIBBTransportPayload> payload) const {
 	XMLElement payloadXML("transport", "urn:xmpp:jingle:transports:ibb:1");
-	payloadXML.setAttribute("block-size", boost::lexical_cast<std::string>(payload->getBlockSize()));
+	if (payload->getBlockSize()) {
+		payloadXML.setAttribute("block-size", boost::lexical_cast<std::string>(*payload->getBlockSize()));
+	}
 	payloadXML.setAttribute("sid", payload->getSessionID());
 
 	return payloadXML.serialize();