diff --git a/src/mlpack/methods/ann/layer/add_merge_impl.hpp b/src/mlpack/methods/ann/layer/add_merge_impl.hpp
index 71437d6859..6d1db08cd5 100644
--- a/src/mlpack/methods/ann/layer/add_merge_impl.hpp
+++ b/src/mlpack/methods/ann/layer/add_merge_impl.hpp
@@ -115,10 +115,14 @@ template<typename Archive>
 void AddMerge<InputDataType, OutputDataType, CustomLayers...>::serialize(
     Archive& ar, const unsigned int /* version */)
 {
+  // Be sure to clear other layers before loading.
   if (Archive::is_loading::value)
     network.clear();
 
   ar & BOOST_SERIALIZATION_NVP(network);
+  ar & BOOST_SERIALIZATION_NVP(model);
+  ar & BOOST_SERIALIZATION_NVP(run);
+  ar & BOOST_SERIALIZATION_NVP(ownsLayer);
 }
 
 } // namespace ann
diff --git a/src/mlpack/methods/ann/layer/multiply_merge_impl.hpp b/src/mlpack/methods/ann/layer/multiply_merge_impl.hpp
index 19d670d113..12ff210292 100644
--- a/src/mlpack/methods/ann/layer/multiply_merge_impl.hpp
+++ b/src/mlpack/methods/ann/layer/multiply_merge_impl.hpp
@@ -115,10 +115,14 @@ template<typename Archive>
 void MultiplyMerge<InputDataType, OutputDataType, CustomLayers...>::serialize(
     Archive& ar, const unsigned int /* version */)
 {
+  // Be sure to clear other layers before loading.
   if (Archive::is_loading::value)
     network.clear();
 
   ar & BOOST_SERIALIZATION_NVP(network);
+  ar & BOOST_SERIALIZATION_NVP(model);
+  ar & BOOST_SERIALIZATION_NVP(run);
+  ar & BOOST_SERIALIZATION_NVP(ownsLayer);
 }
 
 } // namespace ann