diff --git a/biscuit/apps/chronos/templates/chronos/tt_day.html b/biscuit/apps/chronos/templates/chronos/tt_day.html
index 3a3f4d65949e6843ef4785674d76dcb42a03bab1..4e37be64617ae997d43a8c2b43f4702eeea71bec 100644
--- a/biscuit/apps/chronos/templates/chronos/tt_day.html
+++ b/biscuit/apps/chronos/templates/chronos/tt_day.html
@@ -8,7 +8,7 @@
   {% for lesson_period in lesson_periods %}
    <div class="row">
     <div class="col-sm">
-     {% include "chronos/tt_lesson.html" with lesson=lesson_period.lesson %}
+     {% include "chronos/tt_lesson.html" with lesson_period=lesson_period %}
     </div>
    </div>
   {% endfor %}
diff --git a/biscuit/apps/chronos/templates/chronos/tt_lesson.html b/biscuit/apps/chronos/templates/chronos/tt_lesson.html
index 7d27b6e7d1f564a7f71514a627c99b434f377de1..c4a21a596503c9d99349a3550592e6cf26ed3aa7 100644
--- a/biscuit/apps/chronos/templates/chronos/tt_lesson.html
+++ b/biscuit/apps/chronos/templates/chronos/tt_lesson.html
@@ -2,23 +2,22 @@
  <div class="card-body">
   <div class="row">
    <div class="col-sm">
-    <span class="card-title">{{ lesson.subject.abbrev }}</span>
+    <span class="card-title">{{ lesson_period.lesson.subject.abbrev }}</span>
    </div>
   </div>
   <div class="row">
    <div class="col-sm">
-    {% for group in lesosn.groups %}
+    {% for group in lesson_period.lesosn.groups %}
      <span class="card-text">{{ group.short_name }}</span>
     {% endfor %}
    </div>
    <div class="col-sm">
-    {% for teacher in lesosn.teachers %}
+    {% for teacher in lesson_period.lesosn.teachers %}
      <span class="card-text">{{ teacher.short_name }}</span>
     {% endfor %}
    </div>
    <div class="col-sm">
-    {# FIXME really add room information #}
-    <span class="card-text">Room</span>
+    <span class="card-text">{{ lesson_period.room.short_name }}</span>
    </div>
   </div>
  </div>