diff --git a/biscuit/apps/chronos/templates/chronos/edit_substitution.html b/biscuit/apps/chronos/templates/chronos/edit_substitution.html
index f6c8dbd0079af20aea62129d65beb24db8f40f47..8a2c21d2d0775955c92dcb27d5dc5962e106a73c 100644
--- a/biscuit/apps/chronos/templates/chronos/edit_substitution.html
+++ b/biscuit/apps/chronos/templates/chronos/edit_substitution.html
@@ -1,6 +1,10 @@
 {% extends "core/base.html" %}
 {% load bootstrap4 i18n %}
 
+{% block bootstrap4_extra_head%}
+    <title>{% block bootstrap4_title %}{% blocktrans %}BiscuIT SIS - Add book{% endblocktrans %}{% endblock %}</title>
+{% endblock %}
+
 {% block page_title %}{% blocktrans %}Edit substitution{% endblocktrans %}{% endblock %}
 
 {% block content %}
diff --git a/biscuit/apps/chronos/templates/chronos/lessons_day.html b/biscuit/apps/chronos/templates/chronos/lessons_day.html
index 208232bc9ae66f882e8ed091ac6d3d8b1407f7d8..d8e14885d1e76b39402731e0aed6b3991b79bb03 100644
--- a/biscuit/apps/chronos/templates/chronos/lessons_day.html
+++ b/biscuit/apps/chronos/templates/chronos/lessons_day.html
@@ -2,6 +2,10 @@
 {% load bootstrap4 i18n font_awesome %}
 {% load render_table from django_tables2 %}
 
+{% block bootstrap4_extra_head%}
+    <title>{% block bootstrap4_title %}{% blocktrans %}BiscuIT SIS - Add book{% endblocktrans %}{% endblock %}</title>
+{% endblock %}
+
 {% block page_title %}{% blocktrans %}Lessons{% endblocktrans %}{% endblock %}
 
 {% block content %}
diff --git a/biscuit/apps/chronos/templates/chronos/tt_week.html b/biscuit/apps/chronos/templates/chronos/tt_week.html
index d590d6fed85156901b966027ef771cbe21357f14..8cbf5cc9a36fa872ed641f09057b7037611e047a 100644
--- a/biscuit/apps/chronos/templates/chronos/tt_week.html
+++ b/biscuit/apps/chronos/templates/chronos/tt_week.html
@@ -4,10 +4,11 @@
 
 {% block bootstrap4_extra_head %}
  {{ block.super }}
+ <title>{% block bootstrap4_title %}{% blocktrans %}BiscuIT SIS - Timetable{% endblocktrans %}{% endblock %}</title>
  <link rel="stylesheet" href="{% static 'css/chronos/timetable.css' %}" />
 {% endblock %}
 
-{% block page_title %}Timetable{% endblock %}
+{% block page_title %}{% blocktrans %}Timetable{% endblocktrans %}{% endblock %}
 
 {% block content %}
  <form method="get">