diff --git a/src/slg/film/filmserialize.cpp b/src/slg/film/filmserialize.cpp
index 6cd3aee46..120eb8cb5 100644
--- a/src/slg/film/filmserialize.cpp
+++ b/src/slg/film/filmserialize.cpp
@@ -20,6 +20,7 @@
 
 #include <boost/lexical_cast.hpp>
 #include <boost/foreach.hpp>
+#include <boost/serialization/library_version_type.hpp>
 #include <boost/serialization/unordered_set.hpp>
 
 #include "slg/film/film.h"