diff --git a/src/mlpack/methods/ann/cnn_impl.hpp b/src/mlpack/methods/ann/cnn_impl.hpp
index d7520ce799..04c492ee99 100644
--- a/src/mlpack/methods/ann/cnn_impl.hpp
+++ b/src/mlpack/methods/ann/cnn_impl.hpp
@@ -267,7 +267,8 @@ LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
 >::Serialize(Archive& ar, const unsigned int /* version */)
 {
   ar & data::CreateNVP(parameter, "parameter");
-  ar & data::CreateNVP(network, "network");
+  ar & data::CreateNVP<0, std::tuple_size<LayerTypes>::value-1>
+      (network, "network");
 }
 
 } // namespace ann
diff --git a/src/mlpack/methods/ann/ffn_impl.hpp b/src/mlpack/methods/ann/ffn_impl.hpp
index 6f085c6d49..1612eb82e4 100644
--- a/src/mlpack/methods/ann/ffn_impl.hpp
+++ b/src/mlpack/methods/ann/ffn_impl.hpp
@@ -271,7 +271,8 @@ LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
 >::Serialize(Archive& ar, const unsigned int /* version */)
 {
   ar & data::CreateNVP(parameter, "parameter");
-  ar & data::CreateNVP(network, "network");
+  ar & data::CreateNVP<0, std::tuple_size<LayerTypes>::value-1>
+      (network, "network");
 }
 
 } // namespace ann
diff --git a/src/mlpack/methods/ann/rnn_impl.hpp b/src/mlpack/methods/ann/rnn_impl.hpp
index 12cd5ffcdc..eb57b66f49 100644
--- a/src/mlpack/methods/ann/rnn_impl.hpp
+++ b/src/mlpack/methods/ann/rnn_impl.hpp
@@ -330,7 +330,8 @@ LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
 >::Serialize(Archive& ar, const unsigned int /* version */)
 {
   ar & data::CreateNVP(parameter, "parameter");
-  ar & data::CreateNVP(network, "network");
+  ar & data::CreateNVP<0, std::tuple_size<LayerTypes>::value-1>
+      (network, "network");
 }
 
 } // namespace ann