diff --git a/themes/hugo-future-imperfect-slim/layouts/_default/disqus.html b/themes/hugo-future-imperfect-slim/layouts/_default/disqus.html
index 9bb0619..19d40e2 100644
--- a/themes/hugo-future-imperfect-slim/layouts/_default/disqus.html
+++ b/themes/hugo-future-imperfect-slim/layouts/_default/disqus.html
@@ -8,7 +8,7 @@
         if (window.location.hostname == "localhost")
             return;
 
-        var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
+        var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.defer = true;
         var disqus_shortname = '{{ .Site.DisqusShortname }}';
         dsq.src = '//' + "chizu-blog-hugo" + '.disqus.com/embed.js';
         (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
diff --git a/themes/hugo-future-imperfect-slim/layouts/partials/disqus.html b/themes/hugo-future-imperfect-slim/layouts/partials/disqus.html
index 1c272c0..ef5ca90 100644
--- a/themes/hugo-future-imperfect-slim/layouts/partials/disqus.html
+++ b/themes/hugo-future-imperfect-slim/layouts/partials/disqus.html
@@ -8,7 +8,7 @@
         if (window.location.hostname == "localhost")
             return;
 
-        var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
+        var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.defer = true;
         var disqus_shortname = '{{ .Site.DisqusShortname }}';
         dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
         (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);