1 files changed, 7 insertions, 0 deletions
diff --git a/boost/accumulators/statistics/rolling_sum.hpp b/boost/accumulators/statistics/rolling_sum.hpp
index bbb7a8e9a0..c511460655 100644
--- a/boost/accumulators/statistics/rolling_sum.hpp
+++ b/boost/accumulators/statistics/rolling_sum.hpp
@@ -51,6 +51,13 @@ namespace impl
             return this->sum_;
         }
 
+        // make this accumulator serializeable
+        template<class Archive>
+        void serialize(Archive & ar, const unsigned int file_version)
+        { 
+            ar & sum_;
+        }
+
     private:
         Sample sum_;
     };