diff --git a/_templates/footer.html b/_templates/footer.html
index 7c273aa082bb332930c233e0079ae8abb61b4a7a..9fac782e262ba84eca2e589563885c347940bb0d 100644
--- a/_templates/footer.html
+++ b/_templates/footer.html
@@ -43,7 +43,7 @@ following notice:
     {%- trans copyright=copyright|e %}<p>Copyright &#169; {{ copyright }}</p>{% endtrans %}
   {%- endif %}
   <p>Permission is granted to copy, distribute and/or modify this document
-  under the terms of the <a href="fdl.html">GNU Free Documentation License</a>,
+  under the terms of the <a href="/fdl.html">GNU Free Documentation License</a>,
   Version 1.3 or any later version published by the Free Software Foundation;
   with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.</p>
 {%- endif %}