diff --git a/progress/tasks.py b/progress/tasks.py
index 5505c4a..e62ee89 100644
--- a/progress/tasks.py
+++ b/progress/tasks.py
@@ -61,7 +61,7 @@ def statistic_teachers():
             for j in range(7):
                 from_d = timezone.now() - relativedelta(days=(7 - j))
                 to_d = timezone.now() - relativedelta(days=(6 - j))
-                row.append(progresses_sub.filter(last_update__gte=from_d, last_update__lt=to_d).count())
+                row.append(progresses_sub.filter(last_update__gte=to_d, last_update__lt=from_d).count())
 
             csv_writer.writerow(row)