diff --git a/library/src/calculate_price.cpp b/library/src/calculate_price.cpp
index e839734..c54096b 100644
--- a/library/src/calculate_price.cpp
+++ b/library/src/calculate_price.cpp
@@ -487,6 +487,7 @@ CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
                 return calcState;
             }
             cost = Calculator::GetInstance().GetCostFromDuration(tariff, start_parking_time, netto_parking_time, paymentOptionIndex);
+            end_parking_time = start_parking_time.addSecs(netto_parking_time*60);
         } else {
             cost = Calculator::GetInstance().GetCostFromDuration(
                         tariff,