diff --git a/src/discoinforesponder.h b/src/discoinforesponder.h
index 0ce5883bd7ab47f10a6db3280d2cb7090f060757..33dfe6b85aaf37a7f3d08966d96b96c56bb02e05 100644
--- a/src/discoinforesponder.h
+++ b/src/discoinforesponder.h
@@ -21,7 +21,8 @@
 #pragma once
 
 #include <vector>
-#include "Swiften/Swiften.h"
+#include <list>
+#include <boost/signal.hpp>
 #include "Swiften/Queries/GetResponder.h"
 #include "Swiften/Elements/DiscoInfo.h"
 #include "Swiften/Elements/CapsInfo.h"