diff --git a/src/layouts/PostDetails.astro b/src/layouts/PostDetails.astro
index b1221fd..9c0dcd2 100644
--- a/src/layouts/PostDetails.astro
+++ b/src/layouts/PostDetails.astro
@@ -105,7 +105,7 @@ const layoutProps = {
         data-reactions-enabled="1"
         data-emit-metadata="0"
         data-input-position="top"
-        data-theme="preferred_color_scheme"
+        data-theme="light"
         data-lang="en"
         data-loading="lazy"
         crossorigin="anonymous"