1 files changed, 2 insertions, 0 deletions
diff --git a/src/ship.h b/src/ship.h
index e277f91c4..0d4e324ae 100644
--- a/src/ship.h
+++ b/src/ship.h
@@ -42,6 +42,8 @@ struct Ship: public Vehicle {
 	const char *GetTypeString() { return "ship"; }
 	void MarkDirty();
 	void UpdateDeltaXY(Direction direction);
+	ExpensesType GetExpenseType(bool income) { return income ? EXPENSES_SHIP_INC : EXPENSES_SHIP_RUN; }
+	WindowClass GetVehicleListWindowClass() { return WC_SHIPS_LIST; }
 };
 
 #endif /* SHIP_H */