diff --git a/addons/website/static/src/css/website.backend.css b/addons/website/static/src/css/website.backend.css
index 91b3e7c01ea..6fe4f67d4ad 100644
--- a/addons/website/static/src/css/website.backend.css
+++ b/addons/website/static/src/css/website.backend.css
@@ -4,6 +4,9 @@
 .oe_stat_button .o_stat_info.published > .o_stat_text.oe_unpublish {
     display: none;
 }
+.oe_form_field.oe_form_field_html_frame {
+    display: block;
+}
 .oe_form_field_html_frame iframe {
     display: block;
     width: 100%;