diff --git a/src/themes/oscar/layouts/partials/header.html b/src/themes/oscar/layouts/partials/header.html
index f286908..41c41f4 100644
--- a/src/themes/oscar/layouts/partials/header.html
+++ b/src/themes/oscar/layouts/partials/header.html
@@ -15,7 +15,7 @@
                 {{ $currentPage := . }}
                 {{ range .Site.Menus.main }}
                 <li>
-                    <a href="{{ .URL }}">
+                    <a href="{{ .URL }}" {{ if eq $currentPage.RelPermalink .URL }}class="active"{{ end }}>
                         {{ .Pre }}
                         <span>{{ .Name }}</span>
                         {{ .Post }}