diff --git a/library/src/calculator_functions.cpp b/library/src/calculator_functions.cpp
index 39116e9..a3233bc 100644
--- a/library/src/calculator_functions.cpp
+++ b/library/src/calculator_functions.cpp
@@ -205,7 +205,7 @@ std::string Calculator::GetDurationFromCost(Configuration* cfg,
         }
 
         if(money_left > 1)
-        inputDate = inputDate.addSecs(60);
+            inputDate = inputDate.addSecs(60);
 
         if(price_per_unit > 0) total_duration_min +=1;
         money_left -= price_per_unit;
@@ -213,12 +213,12 @@ std::string Calculator::GetDurationFromCost(Configuration* cfg,
         //qDebug() <<"Timestamp:" << inputDate << ", total duration min: " << total_duration_min << ", money left = " << money_left;
     }
 
-    if ((total_duration_min < minMin) || (price / price_per_unit) < minMin)
-    {
-        LOG_DEBUG("Total duration is lower than min_min");
-        inputDate.time() = worktime_from;
-        total_duration_min = 0;
-    }
+    //    if ((total_duration_min < minMin) || (price / price_per_unit) < minMin)
+    //    {
+    //        LOG_DEBUG("Total duration is lower than min_min");
+    //        inputDate.time() = worktime_from;
+    //        total_duration_min = 0;
+    //    }
 
     double ret_val = 0;
     double calc_price = (int)total_duration_min - (int)price / price_per_unit;
@@ -227,12 +227,16 @@ std::string Calculator::GetDurationFromCost(Configuration* cfg,
     {
         inputDate.addSecs(-(int)ceil(calc_price) * 60);
     }
-    ret_val = total_duration_min;
 
     if(price >= min_price && total_duration_min >= minMin)
         qDebug() << "Valid until: " << inputDate.toString(Qt::ISODate);
-    else  qDebug() << "Parking not allowed";
+    else
+    {
+        qDebug() << "Parking not allowed";
+        total_duration_min = 0;
+    }
 
+    ret_val = total_duration_min;
     if(ret_val < 0) ret_val = 0;
     qDebug() << "Duration: " << ret_val;
     if (ret_val <= 0) return "PARKING NOT ALLOWED";
diff --git a/main/main.cpp b/main/main.cpp
index db78f5e..fff8d07 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -36,7 +36,7 @@ int main() {
         memset(&price, 0x00, sizeof(price));
         QDateTime start = QDateTime::fromString("2023-05-11T07:50:00",Qt::ISODate); //QDateTime::currentDateTime();
         time_t start_parking_time = start.toSecsSinceEpoch() / 60;
-        time_t end_parking_time = start_parking_time + 1236;
+        time_t end_parking_time = start_parking_time + 610;
 
         if (compute_price_for_parking_ticket(tariff,
                                              start_parking_time,
@@ -46,7 +46,7 @@ int main() {
         }
 
         QString duration;
-        if(compute_duration_for_parking_ticket(tariff,start_parking_time,3090,duration))
+        if(compute_duration_for_parking_ticket(tariff,start_parking_time,1525,duration))
         {
             qDebug() << "GetDurationFromCost() => duration=" << duration;
         }