diff --git a/site/layouts/partials/header.html b/site/layouts/partials/header.html
index e1fe51e..a3d9069 100644
--- a/site/layouts/partials/header.html
+++ b/site/layouts/partials/header.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
-    <base href="{{ $.Site.BaseURL }}">
+    <base href="{{ if getenv "CONTEXT" }}{{ cond (eq "production" (getenv "CONTEXT")) (getenv "URL") (getenv "DEPLOY_PRIME_URL") }}{{ else }}{{ $.Site.BaseURL }}{{ end }}">
     <title>{{ $.Site.Title }}</title>
     <link rel="stylesheet" href="css/main.css"/>
   </head>
