diff --git a/templates/courses/lesson.html b/templates/courses/lesson.html
index a73ee1b..1a1b2b5 100644
--- a/templates/courses/lesson.html
+++ b/templates/courses/lesson.html
@@ -1,5 +1,8 @@
 {% extends 'layout.html' %}
 {% block title %}{{ course.name }} : {{ lesson.name }}{% endblock %}
+{% block og_title %}{{ course.name }} : {{ lesson.name }}{% endblock %}
+{% block description %}{{ lesson.description|truncatewords:20 }}{% endblock %}
+{% block og_image %}{{ course.thumbnail.url }}{% endblock %}
 
 {% block content %}
 <section>
diff --git a/templates/courses/show.html b/templates/courses/show.html
index a74171f..21c24c8 100644
--- a/templates/courses/show.html
+++ b/templates/courses/show.html
@@ -1,5 +1,8 @@
 {% extends 'layout.html' %}
 {% block title %}{{ course.name }}{% endblock %}
+{% block og_title %}{{ course.name }}{% endblock %}
+{% block description %}{{ course.description|truncatewords:20 }}{% endblock %}
+{% block og_image %}{{ course.thumbnail.url }}{% endblock %}
 
 {% block content %}
 <section>
diff --git a/templates/layout.html b/templates/layout.html
index 61b721c..86d30ac 100644
--- a/templates/layout.html
+++ b/templates/layout.html
@@ -16,7 +16,7 @@
 
     <meta property="og:title" content="{% block og_title %}{{ self.title }}{% endblock %}">
     <meta property="og:description" content="{% block og_description %}Apprendre le développement web et la programmation.{% endblock %}">
-    <meta property="og:image" content="{% block og_image %}{% static 'img/default-share-image.jpg' %}{% endblock %}">
+    <meta property="og:image" content="{% block og_image %}{% endblock %}">
     <meta property="og:url" content="{{ request.build_absolute_uri }}">
     <meta property="og:type" content="website">