diff --git a/src/economy.cpp b/src/economy.cpp
--- a/src/economy.cpp
+++ b/src/economy.cpp
@@ -1139,12 +1139,13 @@ static void LoadUnloadVehicle(Vehicle *v
 	for (; v != NULL; v = v->Next()) {
 		if (v->cargo_cap == 0) continue;
 
-		byte load_amount = EngInfo(v->engine_type)->load_amount;
+		const Engine *e = Engine::Get(v->engine_type);
+		byte load_amount = e->info.load_amount;
 
 		/* The default loadamount for mail is 1/4 of the load amount for passengers */
 		if (v->type == VEH_AIRCRAFT && !Aircraft::From(v)->IsNormalAircraft()) load_amount = (load_amount + 3) / 4;
 
-		if (_settings_game.order.gradual_loading && HasBit(EngInfo(v->engine_type)->callback_mask, CBM_VEHICLE_LOAD_AMOUNT)) {
+		if (_settings_game.order.gradual_loading && HasBit(e->info.callback_mask, CBM_VEHICLE_LOAD_AMOUNT)) {
 			uint16 cb_load_amount = GetVehicleCallback(CBID_VEHICLE_LOAD_AMOUNT, 0, 0, v->engine_type, v);
 			if (cb_load_amount != CALLBACK_FAILED && GB(cb_load_amount, 0, 8) != 0) load_amount = GB(cb_load_amount, 0, 8);
 		}