diff --git a/addons/website/controllers/main.py b/addons/website/controllers/main.py
index db9c4bda1e9..19828afdc83 100644
--- a/addons/website/controllers/main.py
+++ b/addons/website/controllers/main.py
@@ -212,7 +212,11 @@ class Website(openerp.addons.web.controllers.main.Home):
         return True
 
     @http.route('/website/customize_template_get', type='json', auth='user', website=True)
-    def customize_template_get(self, xml_id, optional=True):
+    def customize_template_get(self, xml_id, full=False):
+        """ Lists the templates customizing ``xml_id``. By default, only
+        returns optional templates (which can be toggled on and off), if
+        ``full=True`` returns all templates customizing ``xml_id``
+        """
         imd = request.registry['ir.model.data']
         view_model, view_theme_id = imd.get_object_reference(
             request.cr, request.uid, 'website', 'theme')
@@ -227,7 +231,7 @@ class Website(openerp.addons.web.controllers.main.Home):
         for v in views:
             if not user_groups.issuperset(v.groups_id):
                 continue
-            if v.inherit_option_id and v.inherit_option_id.id != view_theme_id or not optional:
+            if full or v.inherit_option_id and v.inherit_option_id.id != view_theme_id:
                 if v.inherit_option_id.id not in done:
                     result.append({
                         'name': v.inherit_option_id.name,
@@ -244,7 +248,7 @@ class Website(openerp.addons.web.controllers.main.Home):
                     'xml_id': v.xml_id,
                     'inherit_id': v.inherit_id.id,
                     'header': False,
-                    'active': (v.inherit_id.id == v.inherit_option_id.id) or (not optional and v.inherit_id.id)
+                    'active': (v.inherit_id.id == v.inherit_option_id.id) or (full and v.inherit_id.id)
                 })
         return result
 
diff --git a/addons/website/models/ir_ui_view.py b/addons/website/models/ir_ui_view.py
index 0bb0fd62e4f..f422dae7b20 100644
--- a/addons/website/models/ir_ui_view.py
+++ b/addons/website/models/ir_ui_view.py
@@ -43,6 +43,7 @@ class view(osv.osv):
 
         * the view itself
         * all views inheriting from it, enabled or not
+          - but not the optional children of a non-enabled child
         * all views called from it (via t-call)
         """
         try:
@@ -65,16 +66,16 @@ class view(osv.osv):
             if called_view not in result:
                 result += self._views_get(cr, uid, called_view, options=options, context=context)
 
-        todo = set(view.inherit_children_ids)
+        extensions = set(view.inherit_children_ids)
         if options:
-            todo.update(view.inherited_option_ids)
+            extensions.update(view.inherited_option_ids)
 
         # Keep options in a deterministic order regardless of their applicability
-        for child_view in sorted(todo, key=lambda v: v.id):
+        for extension in sorted(extensions, key=lambda v: v.id):
             for r in self._views_get(
-                    cr, uid, child_view,
+                    cr, uid, extension,
                     # only return optional grandchildren if this child is enabled
-                    options=bool(child_view.inherit_id),
+                    options=bool(extension.inherit_id),
                     context=context, root=False):
                 if r not in result:
                     result.append(r)
diff --git a/addons/website/static/src/js/website.ace.js b/addons/website/static/src/js/website.ace.js
index a8af74bb52d..27e5cd60e62 100644
--- a/addons/website/static/src/js/website.ace.js
+++ b/addons/website/static/src/js/website.ace.js
@@ -97,7 +97,7 @@
             var viewId = $(document.documentElement).data('view-xmlid');
             openerp.jsonRpc('/website/customize_template_get', 'call', {
                 'xml_id': viewId,
-                'optional': false,
+                'full': true,
             }).then(function (views) {
                 self.loadViews.call(self, views);
                 self.open.call(self);