diff --git a/editor/opening_hours_ui.cpp b/editor/opening_hours_ui.cpp
index 34215f7eaf..b924063eaa 100644
--- a/editor/opening_hours_ui.cpp
+++ b/editor/opening_hours_ui.cpp
@@ -305,9 +305,10 @@ TOpeningDays TimeTableSet::GetUnhandledDays() const
 
 TimeTable TimeTableSet::GetComplementTimeTable() const
 {
-  TimeTable tt;
+  TimeTable tt = TimeTable::GetUninitializedTimeTable();
   // Set predefined opening time before set 24 hours, otherwise
   // it has no effect.
+  tt.SetTwentyFourHours(false);
   tt.SetOpeningTime(tt.GetPredefinedOpeningTime());
   tt.SetTwentyFourHours(true);
   tt.SetOpeningDays(GetUnhandledDays());
diff --git a/editor/opening_hours_ui.hpp b/editor/opening_hours_ui.hpp
index c80e254006..ba95d5d4c7 100644
--- a/editor/opening_hours_ui.hpp
+++ b/editor/opening_hours_ui.hpp
@@ -15,6 +15,7 @@ using TOpeningDays = set<osmoh::Weekday>;
 class TimeTable
 {
 public:
+  static TimeTable GetUninitializedTimeTable() { return {}; }
   static TimeTable GetPredefinedTimeTable();
 
   bool IsTwentyFourHours() const { return m_isTwentyFourHours; }
@@ -41,6 +42,8 @@ public:
   osmoh::Timespan GetPredefinedExcludeTime() const;
 
 private:
+  TimeTable() = default;
+
   bool m_isTwentyFourHours;
   TOpeningDays m_weekdays;
   osmoh::Timespan m_openingTime;
diff --git a/editor/ui2oh.cpp b/editor/ui2oh.cpp
index e2338332b8..e7085bfb93 100644
--- a/editor/ui2oh.cpp
+++ b/editor/ui2oh.cpp
@@ -188,7 +188,7 @@ bool MakeTimeTableSet(osmoh::OpeningHours const & oh, ui::TimeTableSet & tts)
   bool first = true;
   for (auto const & rulePart : oh.GetRule())
   {
-    ui::TimeTable tt;
+    ui::TimeTable tt = ui::TimeTable::GetUninitializedTimeTable();
     tt.SetOpeningTime(tt.GetPredefinedOpeningTime());
 
     // TODO(mgsergio): We don't handle cases with speciffic time off.