Index: src/DuelMatch.h
===================================================================
--- src/DuelMatch.h	(revision 1678)
+++ src/DuelMatch.h	(working copy)
@@ -21,6 +21,7 @@
 #pragma once
 
 #include <string>
+#include <vector>
 #include <boost/scoped_ptr.hpp>
 #include <boost/shared_ptr.hpp>
 
Index: src/server/MatchMaker.h
===================================================================
--- src/server/MatchMaker.h	(revision 1678)
+++ src/server/MatchMaker.h	(working copy)
@@ -23,6 +23,7 @@
 #include "raknet/NetworkTypes.h"
 #include <map>
 #include <functional>
+#include <vector>
 #include "Global.h"
 
 class NetworkPlayer;
Index: src/state/LobbyStates.h
===================================================================
--- src/state/LobbyStates.h	(revision 1678)
+++ src/state/LobbyStates.h	(working copy)
@@ -1,6 +1,7 @@
 #ifndef LOBBYSTATES_H_INCLUDED
 #define LOBBYSTATES_H_INCLUDED
 
+#include <vector>
 #include <boost/shared_ptr.hpp>
 #include "NetworkMessage.h"
 #include "PlayerIdentity.h"