diff --git a/app/Models/GradientDescentPerceptronTraining.php b/app/Models/GradientDescentPerceptronTraining.php
index 703aca0..a329cee 100644
--- a/app/Models/GradientDescentPerceptronTraining.php
+++ b/app/Models/GradientDescentPerceptronTraining.php
@@ -54,6 +54,8 @@ class GradientDescentPerceptronTraining extends NetworkTraining
                 $this->addIterationToBuffer($iterationError, [[$this->perceptron->getSynapticWeights()]]);
             }
 
+            $this->epochError /= $this->datasetReader->getEpochExamplesCount(); // Average error for the epoch
+
             // Synaptic weights correction after each epoch
             $synaptic_weights = $this->perceptron->getSynapticWeights();
             $new_weights = array_map(