diff --git a/src/servers/sapphire_lobby/Forwards.h b/src/servers/sapphire_lobby/Forwards.h
index d4b91cce..8771e953 100644
--- a/src/servers/sapphire_lobby/Forwards.h
+++ b/src/servers/sapphire_lobby/Forwards.h
@@ -2,6 +2,7 @@
 #define _FORWARDS_H
 
 #include <boost/shared_ptr.hpp>
+#include <boost/make_shared.hpp>
 #include <vector>
 
 #define TYPE_FORWARD( x ) \