diff --git a/v4/layouts/_default/baseof.html b/v4/layouts/_default/baseof.html
index f26aec365..234547ba4 100644
--- a/v4/layouts/_default/baseof.html
+++ b/v4/layouts/_default/baseof.html
@@ -85,7 +85,7 @@
     <link rel="canonical" href="{{ .Permalink }}">
     {{ end }}
 
-    {{ if .Site.Params.enableLightDarkMode | default false }}
+    {{ if .Site.Params.enableLightDarkTheme | default false }}
         {{ partial "check-theme-prefer.html" . }}
     {{ end }}
 
diff --git a/v4/layouts/partials/giscus.html b/v4/layouts/partials/giscus.html
index ee76948ac..0ab6bc004 100644
--- a/v4/layouts/partials/giscus.html
+++ b/v4/layouts/partials/giscus.html
@@ -16,7 +16,7 @@
         crossorigin="{{ .Site.Params.giscusCrossOrigin }}"
         async>
     </script>
-{{ if .Site.Params.enableLightDarkMode | default false }}
+{{ if .Site.Params.enableLightDarkTheme | default false }}
     <script class="giscusThemeSwitcher">
         const lightDarkToggle = document.getElementById("light-dark-toggle");
         function handleGiscusMessage(event) {