diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index 7d0b40c..e737b48 100755
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -23,7 +23,7 @@
     {{ end }}
 
     {{ range .Site.Params.custom_css }}
-      <link rel="stylesheet" href="{{ $.Site.BaseURL }}{{ . }}">
+      <link rel="stylesheet" href="{{ relURL ($.Site.BaseURL) }}{{ . }}">
     {{ end }}
 
     {{ block "favicon" . }}