diff --git a/_includes/footer.html b/_includes/footer.html
index e98773b..8e44df2 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -22,7 +22,7 @@
 
           {% if site.gitlab_source %}
           <li>
-            {% include icon-sourcegitlab.html username=site.gitlab_source}
+            {% include icon-sourcegitlab.html username=site.gitlab_source %}
           </li>
           {% endif %}