diff --git a/Samples/Braitenberg/Scripts/Motor.cs b/Samples/Braitenberg/Scripts/Motor.cs
index 5a61a46..ecb12d9 100644
--- a/Samples/Braitenberg/Scripts/Motor.cs
+++ b/Samples/Braitenberg/Scripts/Motor.cs
@@ -27,7 +27,7 @@ namespace NanoBrain.Braitenberg {
                 return;
                 
             this.speed = motorNeuron.outputValue.z;
-            Debug.DrawRay(this.transform.position, this.transform.forward * this.speed, Color.magenta);
+            Debug.DrawRay(this.transform.position, this.transform.forward * this.speed, Color.blue);
 
             float desiredRpm = speed * 60; // target wheel RPM
             float currentRpm = wheelCollider.rpm;