diff --git a/templates/variants/cnil/wcs/base.html b/templates/variants/cnil/wcs/base.html
index 01d6255a..b5a75749 100644
--- a/templates/variants/cnil/wcs/base.html
+++ b/templates/variants/cnil/wcs/base.html
@@ -10,14 +10,15 @@
     {% endif %}
 
     {% block side %}
-      {% if gauche %}
+      {% if form_side %}
         <div class="form-content--sidebox" id="gauche">
-          {{ gauche|safe }}
+          {{ form_side|safe }}
         </div>
       {% endif %}
     {% endblock %}
 
     <div id="{{bigdiv|default:'rub_service'}}">
+      {% block form-side %}{% endblock %}
       {% block body %}
         {{ body|safe }}
       {% endblock %}
diff --git a/templates/variants/lille/wcs/base.html b/templates/variants/lille/wcs/base.html
index 36131305..b5a75749 100644
--- a/templates/variants/lille/wcs/base.html
+++ b/templates/variants/lille/wcs/base.html
@@ -18,6 +18,7 @@
     {% endblock %}
 
     <div id="{{bigdiv|default:'rub_service'}}">
+      {% block form-side %}{% endblock %}
       {% block body %}
         {{ body|safe }}
       {% endblock %}
diff --git a/templates/variants/signal-publik/wcs/base.html b/templates/variants/signal-publik/wcs/base.html
index 36131305..b5a75749 100644
--- a/templates/variants/signal-publik/wcs/base.html
+++ b/templates/variants/signal-publik/wcs/base.html
@@ -18,6 +18,7 @@
     {% endblock %}
 
     <div id="{{bigdiv|default:'rub_service'}}">
+      {% block form-side %}{% endblock %}
       {% block body %}
         {{ body|safe }}
       {% endblock %}
diff --git a/templates/variants/toodego/wcs/base.html b/templates/variants/toodego/wcs/base.html
index 6883dcc9..ddc6dea7 100644
--- a/templates/variants/toodego/wcs/base.html
+++ b/templates/variants/toodego/wcs/base.html
@@ -42,6 +42,7 @@
           style="background-image: url({{portal_url}}assets/logo:{{ global_context.form_var_commune|slugify }})"
         ></span>{% endif %}
       </h2>{% endif %}
+      {% block form-side %}{% endblock %}
       {% block body %}
         {{ body|safe }}
       {% endblock %}