diff --git a/layouts/partials/custom/head-end.html b/layouts/partials/custom/head-end.html
index 90bfe92..98ed2d6 100644
--- a/layouts/partials/custom/head-end.html
+++ b/layouts/partials/custom/head-end.html
@@ -2,8 +2,8 @@
 {{ $options := dict "inlineImports" true "config" "./assets/css/postcss.config.js" }}
 {{ $styles := resources.Get "css/styles.css" }}
 {{ $styles = $styles | resources.PostCSS $options }}
-{{ if not hugo.IsServer }}
+{{ if not .Site.IsServer }}
 {{ $styles = $styles | minify | fingerprint | resources.PostProcess }}
 {{ end }}
 <link href="{{ $styles.RelPermalink | relURL }}" rel="stylesheet" integrity="{{ $styles.Data.integrity }}" />
-{{/* /CSS */}}
\ No newline at end of file
+{{/* /CSS */}}