diff --git a/static/css/style.css b/static/css/style.css
index 20242210..ddc445bb 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -12,3 +12,6 @@
 
 .cmsfr-hero-dark h1, .cmsfr-hero-dark p {
   color: white; }
+
+.fr-header__service-title em {
+  font-weight: lighter; }
diff --git a/static/css/style.sass b/static/css/style.sass
index 3ecd1381..c17516a6 100644
--- a/static/css/style.sass
+++ b/static/css/style.sass
@@ -14,3 +14,6 @@
 .cmsfr-hero-dark
     & h1, p
         color: white
+
+.fr-header__service-title em
+    font-weight: lighter
diff --git a/templates/blocks/header.html b/templates/blocks/header.html
index c360cf41..ff9b0326 100644
--- a/templates/blocks/header.html
+++ b/templates/blocks/header.html
@@ -2,14 +2,23 @@
 {% load static wagtailcore_tags menu_tags %}
 
 {% block brand %}
-    <a href="/" title="Accueil — {{ settings.content_manager.CmsDsfrConfig.header_brand }}">
+    <a href="/"
+       title="Accueil — {{ settings.content_manager.CmsDsfrConfig.header_brand }}">
         <p class="fr-logo">{{ settings.content_manager.CmsDsfrConfig.header_brand_html|safe }}</p>
     </a>
 {% endblock brand %}
 
 {% block service_title %}
-    <a href="/" title="Accueil — {{ settings.content_manager.CmsDsfrConfig.site_title }}">
-        <p class="fr-header__service-title">{{ settings.content_manager.CmsDsfrConfig.site_title }}</p>
+    <a href="/"
+       title="Accueil — {{ settings.content_manager.CmsDsfrConfig.site_title }}">
+
+        <p class="fr-header__service-title">
+            {% if settings.content_manager.CmsDsfrConfig.site_title|slice:"-2:" == "fr" %}
+                {{ settings.content_manager.CmsDsfrConfig.site_title|slice:":-2" }}<em>fr</em>
+            {% else %}
+                {{ settings.content_manager.CmsDsfrConfig.site_title }}
+            {% endif %}
+        </p>
     </a>
 
 {% endblock service_title %}
@@ -19,7 +28,7 @@
 {% endblock service_tagline %}
 
 {% block header_tools %}
-    {% flat_menu handle="header_tools" template="menus/custom_flat_menu.html"  %}
+    {% flat_menu handle="header_tools" template="menus/custom_flat_menu.html" %}
 {% endblock header_tools %}
 
 {# Leave burger_menu and main_menu blocks empty if the main menu is not used #}