1 files changed, 1 insertions, 1 deletions
diff --git a/vehicle.h b/vehicle.h
index 4b1129310..6e176f82b 100644
--- a/vehicle.h
+++ b/vehicle.h
@@ -315,7 +315,7 @@ void BeginVehicleMove(Vehicle *v);
 void EndVehicleMove(Vehicle *v);
 
 bool IsAircraftHangarTile(TileIndex tile);
-void ShowAircraftViewWindow(Vehicle *v);
+void ShowAircraftViewWindow(const Vehicle* v);
 
 UnitID GetFreeUnitNumber(byte type);