diff --git a/layouts/partials/css.html b/layouts/partials/css.html
index 40c8e8cd..80d2ff2e 100644
--- a/layouts/partials/css.html
+++ b/layouts/partials/css.html
@@ -1,7 +1,7 @@
 <!-- Include all theme CSS filenames here -->
 {{- $page := . -}}
 
-{{- $inServerMode := .Site.IsServer -}}
+{{- $inServerMode := hugo.IsServer -}}
 {{- $serverOpts := cond ($inServerMode) (dict "enableSourceMap" true) (dict "outputStyle" "compressed") -}}
 {{- $sassCompiler := dict "transpiler" "dartsass" -}}
 {{- $cssOpts := collections.Merge $sassCompiler $serverOpts -}}
diff --git a/layouts/partials/javascript.html b/layouts/partials/javascript.html
index e9e718f0..084d7b5d 100644
--- a/layouts/partials/javascript.html
+++ b/layouts/partials/javascript.html
@@ -1,4 +1,4 @@
-{{- $inServerMode := .Site.IsServer -}}
+{{- $inServerMode := hugo.IsServer -}}
 
 <!-- Font Awesome -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/js/all.min.js" integrity="sha384-3ve3u7etWcm2heCe4TswfZSAYSg2jR/EJxRHuKM5foOiKS8IJL/xRlvmjCaHELBz" crossorigin="anonymous"></script>