diff --git a/models/Habit.py b/models/Habit.py
index 9e0144a..34edf10 100644
--- a/models/Habit.py
+++ b/models/Habit.py
@@ -78,6 +78,7 @@ class Habit:
 
     def fill_statistics(self):
         count = 0
+        self.checked = False
         for tracking in self.get_habitTrackings():
             # day
             if self.unit == 0: