diff --git a/source/_layouts/talk.html.twig b/source/_layouts/talk.html.twig
index 3cf2ae56a..c93ed9c66 100644
--- a/source/_layouts/talk.html.twig
+++ b/source/_layouts/talk.html.twig
@@ -7,7 +7,7 @@
 
   {% if page.slides_embed %}
     <div class="slides">
-      {{ page.slides_embed|raw }}
+      {{ page.slides_embed | raw }}
     </div>
   {% endif %}
 {% endblock %}