diff --git a/src/ship.h b/src/ship.h
--- a/src/ship.h
+++ b/src/ship.h
@@ -49,4 +49,6 @@ struct Ship: public SpecializedVehicle<S
 	bool FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse);
 };
 
+#define FOR_ALL_SHIPS(var) FOR_ALL_VEHICLES_OF_TYPE(Ship, var)
+
 #endif /* SHIP_H */