diff --git a/OpenRA.Mods.Cnc/TiberiumRefineryDockAction.cs b/OpenRA.Mods.Cnc/TiberiumRefineryDockAction.cs
index 6cb5040d41..8a044d422d 100644
--- a/OpenRA.Mods.Cnc/TiberiumRefineryDockAction.cs
+++ b/OpenRA.Mods.Cnc/TiberiumRefineryDockAction.cs
@@ -28,7 +28,7 @@ namespace OpenRA.Mods.Cnc
 		{
 			int2 startDock = harv.Trait<IHasLocation>().PxPosition;
 			int2 endDock = self.Trait<IHasLocation>().PxPosition + new int2(-15,8);
-			var mobile = self.Trait<Mobile>();
+			var mobile = harv.Trait<Mobile>();
 			var harvester = harv.Trait<Harvester>();
 
 			harv.QueueActivity( new Turn(112) );