diff --git a/layouts/partials/comments/provider/disqus.html b/layouts/partials/comments/provider/disqus.html
index d0e92b0..1f283df 100644
--- a/layouts/partials/comments/provider/disqus.html
+++ b/layouts/partials/comments/provider/disqus.html
@@ -13,8 +13,10 @@
 
 <script>
     window.addEventListener('onColorSchemeChange', (e) => {
-        DISQUS.reset({
-            reload: true
-        });
+        if (DISQUS) {
+            DISQUS.reset({
+                reload: true
+            });
+        }
     })
 </script>
\ No newline at end of file