diff --git a/library/include/mobilisis/tariff_timebase.h b/library/include/mobilisis/tariff_timebase.h
index 5c417a6..8c075de 100644
--- a/library/include/mobilisis/tariff_timebase.h
+++ b/library/include/mobilisis/tariff_timebase.h
@@ -16,6 +16,8 @@ struct ATBTimeBase {
     friend QDebug operator<<(QDebug debug, ATBTimeBase const &timeBase) {
         QDebugStateSaver saver(debug);
 
+        debug.nospace() << "TIMEBASE" << "\n";
+
         switch(timeBase.tbase_type) {
         case ATBTimeBase::TimeBaseType::ABSOLUTE:
             debug.nospace()