diff --git a/library/src/calculator_functions.cpp b/library/src/calculator_functions.cpp
index 4c8df6a..f889575 100644
--- a/library/src/calculator_functions.cpp
+++ b/library/src/calculator_functions.cpp
@@ -3696,6 +3696,9 @@ Calculator::GetDailyTicketPrice(Configuration* cfg,
         if (dailyTickets) {
             QVector<ATBDailyTicket> const tickets = dailyTickets.value();
             switch (permitType) {
+                case PERMIT_TYPE::FREE_TICKET: {
+                    // TODO
+                } break;
                 case PERMIT_TYPE::TWENTY_FOUR_HOURS_TICKET: {
                     // TODO
                 } break;