diff --git a/opennn/neural_network.cpp b/opennn/neural_network.cpp
index 568f2501d..b7bb6ed2e 100644
--- a/opennn/neural_network.cpp
+++ b/opennn/neural_network.cpp
@@ -5323,6 +5323,7 @@ string NeuralNetwork::write_expression_python() const
     Tensor<string, 1> found_mathematical_expressions;
 
     Tensor<string, 1> inputs =  get_inputs_names();
+    Tensor<string, 1> original_inputs =  get_inputs_names();
     Tensor<string, 1> outputs = get_outputs_names();
 
     const Index layers_number = get_layers_number();
@@ -5485,8 +5486,18 @@ string NeuralNetwork::write_expression_python() const
     }
     else
     {
+        std::string inputs_list;
+        for (int i = 0; i < original_inputs.size(); ++i) {
+            inputs_list += "'" + original_inputs(i) + "'";
+            if (i < original_inputs.size() - 1) {
+                inputs_list += ", ";
+            }
+        }
+
         buffer << "\t" << "def __init__(self):" << endl;
         buffer << "\t\t" << "self.inputs_number = " << to_string(inputs.size()) << endl;
+        buffer << "\t\t" << "self.inputs_names = [" << inputs_list << "]" << endl;
+
     }
 
     buffer << "\n" << endl;