diff --git a/static/src/xml/website_form_editor.xml b/static/src/xml/website_form_editor.xml
index af8053c62ad..524a89e180d 100644
--- a/static/src/xml/website_form_editor.xml
+++ b/static/src/xml/website_form_editor.xml
@@ -18,7 +18,7 @@
                         </form>
                     </main>
                     <footer class="modal-footer">
-                        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
+                        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
                         <button type="button" class="btn btn-primary" id="modal-save">Save</button>
                     </footer>
                 </div>