diff --git a/gtsam/inference/FactorGraph.h b/gtsam/inference/FactorGraph.h
index 6be3b89c2..0ecfd87f1 100644
--- a/gtsam/inference/FactorGraph.h
+++ b/gtsam/inference/FactorGraph.h
@@ -29,6 +29,7 @@
 #include <Eigen/Core>  // for Eigen::aligned_allocator
 
 #include <boost/serialization/nvp.hpp>
+#include <boost/serialization/vector.hpp>
 #include <boost/assign/list_inserter.hpp>
 #include <boost/bind.hpp>
 #include <boost/make_shared.hpp>
diff --git a/gtsam/linear/VectorValues.h b/gtsam/linear/VectorValues.h
index f187b56de..39abe1b56 100644
--- a/gtsam/linear/VectorValues.h
+++ b/gtsam/linear/VectorValues.h
@@ -26,6 +26,7 @@
 
 #include <boost/shared_ptr.hpp>
 
+
 #include <map>
 #include <string>