diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -942,7 +942,7 @@ CommandCost CmdRefitShip(TileIndex tile,
 		v->cargo.Truncate((v->cargo_type == new_cid) ? capacity : 0);
 		v->cargo_type = new_cid;
 		v->cargo_subtype = new_subtype;
-		v->colormap = PAL_NONE; // invalidate vehicle colour map
+		v->colourmap = PAL_NONE; // invalidate vehicle colour map
 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
 		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
 		InvalidateWindowClassesData(WC_SHIPS_LIST, 0);