diff --git a/layouts/partials/comments/provider/disqus.html b/layouts/partials/comments/provider/disqus.html
index 1f283df6..fb17b772 100644
--- a/layouts/partials/comments/provider/disqus.html
+++ b/layouts/partials/comments/provider/disqus.html
@@ -13,7 +13,7 @@
 
 <script>
     window.addEventListener('onColorSchemeChange', (e) => {
-        if (DISQUS) {
+        if (typeof DISQUS == 'object') {
             DISQUS.reset({
                 reload: true
             });