diff --git a/src/station_base.h b/src/station_base.h
--- a/src/station_base.h
+++ b/src/station_base.h
@@ -470,7 +470,7 @@ public:
 	byte last_vehicle_type;
 	std::list<Vehicle *> loading_vehicles;
 	GoodsEntry goods[NUM_CARGO];  ///< Goods at this station
-	uint32 always_accepted;       ///< Bitmask of always accepted cargo types (by houses, HQs, industry tiles when industry doesn't accept cargo)
+	CargoTypes always_accepted;       ///< Bitmask of always accepted cargo types (by houses, HQs, industry tiles when industry doesn't accept cargo)
 
 	IndustryVector industries_near; ///< Cached list of industries near the station that can accept cargo, @see DeliverGoodsToIndustry()