1 files changed, 1 insertions, 1 deletions
diff --git a/include/brain/neuron.h b/include/brain/neuron.h
index 1878752..27d7202 100644
--- a/include/brain/neuron.h
+++ b/include/brain/neuron.h
@@ -9,7 +9,7 @@
 class Neuron : public NeuralNode
 {
 public:
-    virtual double activation();
+    virtual double activation() {}
 
 private:
     std::vector<std::shared_ptr<NeuralLink>> _inputLinks;