diff --git a/library/src/calculate_price.cpp b/library/src/calculate_price.cpp
index 2df4053..038e399 100644
--- a/library/src/calculate_price.cpp
+++ b/library/src/calculate_price.cpp
@@ -125,7 +125,7 @@ int CALCULATE_LIBRARY_API get_maximal_parkingprice(Configuration *cfg, PERMIT_TY
 
     switch(permitType) {
     case PERMIT_TYPE::SHORT_TERM_PARKING: { // e.g. szeged (customer_281)
-        if (paymentMethodId == PaymentMethod::Progressive) {
+        if (paymentMethodId == PaymentMethod::Progressive || paymentMethodId == PaymentMethod::Steps) {
             maxPrice = Utilities::getMaximalParkingPrice(cfg, paymentMethodId);
         } else { // PaymentMethod::Linear -> e.g. szeged
             int const key = cfg->getPaymentOptions().pop_id;