diff --git a/library/src/calculator_functions.cpp b/library/src/calculator_functions.cpp
index a3233bc..abb6d89 100644
--- a/library/src/calculator_functions.cpp
+++ b/library/src/calculator_functions.cpp
@@ -151,7 +151,7 @@ std::string Calculator::GetDurationFromCost(Configuration* cfg,
 
     while(true)
     {
-        if(money_left <= 0) break;
+        if((int)money_left <= 0) break;
 
         // Check year period
         bool isYearPeriodActive = false;
diff --git a/main/main.cpp b/main/main.cpp
index fff8d07..e58aee9 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -34,7 +34,7 @@ int main() {
     if (init_tariff(&tariff, "C:\\Users\\MROD\\Documents\\QtCreator\\build-MOBILISIS-Calculator-Desktop_Qt_5_12_12_MSVC2017_32bit-Debug\\main\\etc\\psa_tariff\\zone1.json")) {
         struct price_t price;
         memset(&price, 0x00, sizeof(price));
-        QDateTime start = QDateTime::fromString("2023-05-11T07:50:00",Qt::ISODate); //QDateTime::currentDateTime();
+        QDateTime start = QDateTime::fromString("2023-05-12T15:00:34",Qt::ISODate); //QDateTime::currentDateTime();
         time_t start_parking_time = start.toSecsSinceEpoch() / 60;
         time_t end_parking_time = start_parking_time + 610;
 
@@ -46,7 +46,7 @@ int main() {
         }
 
         QString duration;
-        if(compute_duration_for_parking_ticket(tariff,start_parking_time,1525,duration))
+        if(compute_duration_for_parking_ticket(tariff,start_parking_time,188,duration))
         {
             qDebug() << "GetDurationFromCost() => duration=" << duration;
         }