diff --git a/library/src/calculate_price.cpp b/library/src/calculate_price.cpp
index 0201600..7f30d97 100644
--- a/library/src/calculate_price.cpp
+++ b/library/src/calculate_price.cpp
@@ -1036,6 +1036,10 @@ CalcState CALCULATE_LIBRARY_API compute_duration_for_parking_ticket(
         double price,
         QString &duration,
         PermitType permitType) {
+
+    tariff->getPaymentOptions(0).pop_max_price
+        = tariff->getPaymentOptions(0).pop_max_price_save;
+
     CalcState calcState;
     QDate const d(1970, 1, 1);
     QTime const t(0, 0, 0);
@@ -1091,6 +1095,9 @@ CalcState CALCULATE_LIBRARY_API compute_duration_for_parking_ticket(
         QDateTime &ticketEndTime,
         PermitType permitType)
 {
+    tariff->getPaymentOptions(0).pop_max_price
+        = tariff->getPaymentOptions(0).pop_max_price_save;
+
     CalcState calcState;
 
     bool prepaid = true;
@@ -1418,6 +1425,9 @@ CalcState CALCULATE_LIBRARY_API compute_duration_for_daily_ticket(parking_tariff
                                                                   QDateTime &ticketEndTime,
                                                                   PermitType /* PermitType */)
 {
+    tariff->getPaymentOptions(0).pop_max_price
+        = tariff->getPaymentOptions(0).pop_max_price_save;
+
     CalcState calcState;
     if (start_parking_time.isValid()) {
 
@@ -1449,8 +1459,11 @@ CalcState CALCULATE_LIBRARY_API compute_price_for_daily_ticket(
                                     QDateTime &endDatetime,
                                     PERMIT_TYPE permitType,
                                     struct price_t *price) {// return value
-    CalcState calcState;
 
+    tariff->getPaymentOptions(0).pop_max_price
+        = tariff->getPaymentOptions(0).pop_max_price_save;
+
+    CalcState calcState;
 
     if (startDatetime.isValid()) {
         if (std::optional<struct price_t> p =