diff --git a/AutoPilot/Program.cs b/AutoPilot/Program.cs
index 5f5eae9..229c605 100644
--- a/AutoPilot/Program.cs
+++ b/AutoPilot/Program.cs
@@ -2,7 +2,6 @@
  * API index: https://github.com/malware-dev/MDK-SE/wiki/Api-Index
  * Vector transformation: https://github.com/malware-dev/MDK-SE/wiki/Vector-Transformations-with-World-Matrices
  * How to get rotation/position: https://forum.keenswh.com/threads/how-do-i-get-the-world-position-and-rotation-of-a-ship.7363867/
- * 
  */
 
 using Sandbox.Game.EntityComponents;
@@ -49,11 +48,11 @@ namespace IngameScript
 
         readonly Output output;
 
-        IMyRemoteControl remoteController;
-        IMyCubeGrid grid;
+        readonly IMyRemoteControl remoteController;
+        readonly IMyCubeGrid grid;
         readonly List<IMyGyro> gyros = new List<IMyGyro>();
 
-        IMyBroadcastListener connnectorMinerPositionListener;
+        readonly IMyBroadcastListener connnectorMinerPositionListener;
         MatrixD connectorMinerPosition;
 
         public Program()