diff --git a/library/src/calculate_price.cpp b/library/src/calculate_price.cpp
index b389175..561acfd 100644
--- a/library/src/calculate_price.cpp
+++ b/library/src/calculate_price.cpp
@@ -797,7 +797,7 @@ CalcState CALCULATE_LIBRARY_API compute_duration_for_parking_ticket(
                     tariff,
                     tariff->getPaymentOptions().pop_payment_method_id,
                     cs.toLocal8Bit().constData(),
-                    price, false, true).c_str();
+                    price, permitType, false, true).c_str();
 
         if (endTime == CalcState::SUCCESS) {
             calcState.setDesc(QString("SUCCESS"));