diff --git a/spectrum/src/frontends/xmpp/XMPPFrontend.h b/spectrum/src/frontends/xmpp/XMPPFrontend.h
index f50561a955ca150bde17ae3ac6361cb17b0c74d7..4fc1733c8e06d590fa3125d8238874501a47d69a 100644
--- a/spectrum/src/frontends/xmpp/XMPPFrontend.h
+++ b/spectrum/src/frontends/xmpp/XMPPFrontend.h
@@ -23,6 +23,8 @@
 #include "transport/Frontend.h"
 
 #include <vector>
+#include <Swiften/Version.h>
+#define HAVE_SWIFTEN_3  (SWIFTEN_VERSION >= 0x030000)
 #include "Swiften/Server/Server.h"
 #include "Swiften/Disco/GetDiscoInfoRequest.h"
 #include "Swiften/Disco/EntityCapsManager.h"