diff --git a/biscuit/apps/chronos/forms.py b/biscuit/apps/chronos/forms.py
index 4f599ca97b77a806d779346971c6be8675a4ca0f..08a1c5c21341380e9efdf9f7938bb51f91c71125 100644
--- a/biscuit/apps/chronos/forms.py
+++ b/biscuit/apps/chronos/forms.py
@@ -24,4 +24,4 @@ class SelectForm(forms.Form):
 class LessonSubstitutionForm(forms.ModelForm):
     class Meta:
         model = LessonSubstitution
-        fields = ['week', 'lesson_period', 'subject', 'teachers', 'room', 'canceled']
+        fields = ['week', 'lesson_period', 'subject', 'teachers', 'room', 'cancelled']
diff --git a/biscuit/apps/chronos/templates/chronos/tt_lesson.html b/biscuit/apps/chronos/templates/chronos/tt_lesson.html
index 077cdade986087d8b8bbc49b3d10dd2190675e67..3dc764830ff17b0abf58f15d202ff4cf0a679b37 100644
--- a/biscuit/apps/chronos/templates/chronos/tt_lesson.html
+++ b/biscuit/apps/chronos/templates/chronos/tt_lesson.html
@@ -1,6 +1,6 @@
 {# -*- engine:django -*- #}
 
-{% if not lesson_period.get_substitution.canceled %}
+{% if not lesson_period.get_substitution.cancelled %}
   <div class="card chronos-lesson
     {% if lesson_period.get_substitution %}
     border border-warning