diff --git a/library/include/mobilisis/calculate_price.h b/library/include/mobilisis/calculate_price.h
index 7bbdfef..a5afc67 100644
--- a/library/include/mobilisis/calculate_price.h
+++ b/library/include/mobilisis/calculate_price.h
@@ -152,6 +152,7 @@ QList<int> CALCULATE_LIBRARY_API get_time_steps(Configuration *cfg);
 int CALCULATE_LIBRARY_API get_minimal_parkingtime(Configuration *cfg, PERMIT_TYPE permitType = PERMIT_TYPE::SHORT_TERM_PARKING);
 int CALCULATE_LIBRARY_API get_maximal_parkingtime(Configuration *cfg, PERMIT_TYPE permitType = PERMIT_TYPE::SHORT_TERM_PARKING);
 int CALCULATE_LIBRARY_API get_minimal_parkingprice(Configuration *cfg, PERMIT_TYPE permitType = PERMIT_TYPE::SHORT_TERM_PARKING);
+int CALCULATE_LIBRARY_API get_maximal_parkingprice(Configuration *cfg, PERMIT_TYPE permitType = PERMIT_TYPE::SHORT_TERM_PARKING);
 int CALCULATE_LIBRARY_API compute_product_price(Configuration const *cfg, PERMIT_TYPE permitType = PERMIT_TYPE::SHORT_TERM_PARKING);
 
 CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(       // deprecated