diff --git a/biscuit/apps/chronos/tables.py b/biscuit/apps/chronos/tables.py
index 5836ffa727881366ce6817af76b6c060a40a8c1a..0f4dc1b15783a0c3e596082a774a36f0b553fc93 100644
--- a/biscuit/apps/chronos/tables.py
+++ b/biscuit/apps/chronos/tables.py
@@ -24,6 +24,7 @@ class LessonsTable(tables.Table):
     lesson__teachers = tables.Column(accessor='lesson.teacher_names')
     lesson__subject = tables.Column(accessor='lesson.subject')
     room = tables.Column(accessor='room')
+    edit = tables.LinkColumn('edit_substitution_by_id', args=[A('id')])
 
     def __init__(self, week, *args, **kwargs):
         self._week = week