diff --git a/src/mlpack/methods/ann/cnn_impl.hpp b/src/mlpack/methods/ann/cnn_impl.hpp
index 3b568c46f6..a4e773346d 100644
--- a/src/mlpack/methods/ann/cnn_impl.hpp
+++ b/src/mlpack/methods/ann/cnn_impl.hpp
@@ -46,8 +46,8 @@ CNN<LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
                 OutputLayerType>::value,
                 "The type of outputLayer must be OutputLayerType.");
 
-  initializeRule.Initialize(parameter, NetworkSize(network), 1);
-  NetworkWeights(parameter, network);
+  initializeRule.Initialize(parameter, NetworkSize(this->network), 1);
+  NetworkWeights(parameter, this->network);
 
   // Train the model.
   Timer::Start("cnn_optimization");
@@ -83,8 +83,8 @@ CNN<LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
                 OutputLayerType>::value,
                 "The type of outputLayer must be OutputLayerType.");
 
-  initializeRule.Initialize(parameter, NetworkSize(network), 1);
-  NetworkWeights(parameter, network);
+  initializeRule.Initialize(parameter, NetworkSize(this->network), 1);
+  NetworkWeights(parameter, this->network);
 
   Train(predictors, responses);
 }
@@ -112,8 +112,8 @@ CNN<LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
                 OutputLayerType>::value,
                 "The type of outputLayer must be OutputLayerType.");
 
-  initializeRule.Initialize(parameter, NetworkSize(network), 1);
-  NetworkWeights(parameter, network);
+  initializeRule.Initialize(parameter, NetworkSize(this->network), 1);
+  NetworkWeights(parameter, this->network);
 }
 
 template<typename LayerTypes,
diff --git a/src/mlpack/methods/ann/ffn_impl.hpp b/src/mlpack/methods/ann/ffn_impl.hpp
index 4ab1fa1bf8..0c4bd8d8c1 100644
--- a/src/mlpack/methods/ann/ffn_impl.hpp
+++ b/src/mlpack/methods/ann/ffn_impl.hpp
@@ -46,8 +46,8 @@ FFN<LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
                 OutputLayerType>::value,
                 "The type of outputLayer must be OutputLayerType.");
 
-  initializeRule.Initialize(parameter, NetworkSize(network), 1);
-  NetworkWeights(parameter, network);
+  initializeRule.Initialize(parameter, NetworkSize(this->network), 1);
+  NetworkWeights(parameter, this->network);
 
   // Train the model.
   Timer::Start("ffn_optimization");
@@ -83,8 +83,8 @@ FFN<LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
                 OutputLayerType>::value,
                 "The type of outputLayer must be OutputLayerType.");
 
-  initializeRule.Initialize(parameter, NetworkSize(network), 1);
-  NetworkWeights(parameter, network);
+  initializeRule.Initialize(parameter, NetworkSize(this->network), 1);
+  NetworkWeights(parameter, this->network);
 
   Train(predictors, responses);
 }
@@ -112,8 +112,8 @@ FFN<LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
                 OutputLayerType>::value,
                 "The type of outputLayer must be OutputLayerType.");
 
-  initializeRule.Initialize(parameter, NetworkSize(network), 1);
-  NetworkWeights(parameter, network);
+  initializeRule.Initialize(parameter, NetworkSize(this->network), 1);
+  NetworkWeights(parameter, this->network);
 }
 
 template<typename LayerTypes,
diff --git a/src/mlpack/methods/ann/rnn_impl.hpp b/src/mlpack/methods/ann/rnn_impl.hpp
index 01044510f8..279e86a6cd 100644
--- a/src/mlpack/methods/ann/rnn_impl.hpp
+++ b/src/mlpack/methods/ann/rnn_impl.hpp
@@ -48,8 +48,8 @@ RNN<LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
                 OutputLayerType>::value,
                 "The type of outputLayer must be OutputLayerType.");
 
-  initializeRule.Initialize(parameter, NetworkSize(network), 1);
-  NetworkWeights(parameter, network);
+  initializeRule.Initialize(parameter, NetworkSize(this->network), 1);
+  NetworkWeights(parameter, this->network);
 
   // Train the model.
   Timer::Start("rnn_optimization");
@@ -87,8 +87,8 @@ RNN<LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
                 OutputLayerType>::value,
                 "The type of outputLayer must be OutputLayerType.");
 
-  initializeRule.Initialize(parameter, NetworkSize(network), 1);
-  NetworkWeights(parameter, network);
+  initializeRule.Initialize(parameter, NetworkSize(this->network), 1);
+  NetworkWeights(parameter, this->network);
 
   Train(predictors, responses);
 }
@@ -118,8 +118,8 @@ RNN<LayerTypes, OutputLayerType, InitializationRuleType, PerformanceFunction
                 OutputLayerType>::value,
                 "The type of outputLayer must be OutputLayerType.");
 
-  initializeRule.Initialize(parameter, NetworkSize(network), 1);
-  NetworkWeights(parameter, network);
+  initializeRule.Initialize(parameter, NetworkSize(this->network), 1);
+  NetworkWeights(parameter, this->network);
 }
 
 template<typename LayerTypes,