diff --git a/src/Perpetuum/Modules/DrillerModule.cs b/src/Perpetuum/Modules/DrillerModule.cs
index 7a86e7eb..9d2cb60f 100644
--- a/src/Perpetuum/Modules/DrillerModule.cs
+++ b/src/Perpetuum/Modules/DrillerModule.cs
@@ -244,7 +244,7 @@ rcu.CommandRobot is Player player &&
                 .ThrowIfFalse(
                     ErrorCodes.MiningEnablerEffectRequired,
                         (PerpetuumException ex) =>
-                            (ParentRobot as RemoteControlledCreature)
+                            (ParentRobot as RemoteControlledCreature)?
                                 .ProcessIndustrialTarget(position.Center, 0));
         }