diff --git a/biscuit/apps/alsijil/views.py b/biscuit/apps/alsijil/views.py
index 3a521d6958d38bce192f6dd6d92804df22d241fe..5482cf9d62c313244854609eb612ba0af0e77b5d 100644
--- a/biscuit/apps/alsijil/views.py
+++ b/biscuit/apps/alsijil/views.py
@@ -225,9 +225,9 @@ def manage_absence(request: HttpRequest) -> HttpResponse:
 
             # Mark person as absent
             delta = end_date - start_date
-            for i in range(delta.days):
+            for i in range(delta.days+1):
                 starting_period = starting_lesson if i == 0 else 0
-                day = start_date + timedelta(days=1)
+                day = start_date + timedelta(days=i)
                 person.mark_absent(day, starting_period=starting_period, absent=absent, excused=excused, remarks=remarks)
                 person.save()