diff --git a/include/Swiften/Serializer/PayloadSerializers/AttentionSerializer.h b/include/Swiften/Serializer/PayloadSerializers/AttentionSerializer.h
index c067091b448e8177ad1b5e8e8dddd35bf79caa54..5b37d71c437f950698d2090d5ed575c073d10bdc 100644
--- a/include/Swiften/Serializer/PayloadSerializers/AttentionSerializer.h
+++ b/include/Swiften/Serializer/PayloadSerializers/AttentionSerializer.h
@@ -9,11 +9,13 @@
 #include <Swiften/Serializer/GenericPayloadSerializer.h>
 #include <Swiften/Elements/AttentionPayload.h>
 
+#include "Swiften/SwiftenCompat.h"
+
 namespace Swift {
 	class AttentionSerializer : public GenericPayloadSerializer<AttentionPayload> {
 		public:
 			AttentionSerializer();
 
-			virtual std::string serializePayload(boost::shared_ptr<AttentionPayload>)  const;
+			virtual std::string serializePayload(SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<AttentionPayload>)  const;
 	};
 }