diff --git a/templates/base.html b/templates/base.html
index d6d1b621..6b74cddf 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -180,7 +180,7 @@
         <!--Empty spacer-->
       </div>
     </div> <!-- end main grid -->
-    <script src="/theme/js/prism.js"></script>
+    <script src="/theme/js/prism.js" defer></script>
     <script src="/theme/js/copy-code.js"></script>
   </body>
 </html>