diff --git a/include/Swiften/Server/ServerStanzaChannel.h b/include/Swiften/Server/ServerStanzaChannel.h
index 7da771b636ae0237f74cd00bb84cdeb6847d3bfa..627c3f09c50f24f6a03e25c0ccec0d909bcf6067 100644
--- a/include/Swiften/Server/ServerStanzaChannel.h
+++ b/include/Swiften/Server/ServerStanzaChannel.h
@@ -14,6 +14,7 @@
 #include "Swiften/Elements/Message.h"
 #include "Swiften/Elements/IQ.h"
 #include "Swiften/Elements/Presence.h"
+#include "Swiften/TLS/Certificate.h"
 
 namespace Swift {
 	class Error;