diff --git a/site/layouts/partials/docs-sidebar.html b/site/layouts/partials/docs-sidebar.html
index 772cbd7f7..523e6afd1 100644
--- a/site/layouts/partials/docs-sidebar.html
+++ b/site/layouts/partials/docs-sidebar.html
@@ -16,12 +16,13 @@
     {{- $active_group := eq $.Page.Params.group $group_slug }}
 
     <li class="bd-sidenav-group my-1{{ if $active_group }} active{{ end }} js-sidenav-group{{ if $group.pages }} has-children{{ end }}">
-      <a class="d-inline-flex align-items-center bd-sidenav-group-link" href="/docs/{{ $.Site.Params.docs_version }}/{{ $group_slug }}/{{ if $group.pages }}{{ $link_slug }}/{{ end }}"{{ if $active_group }} aria-current="true"{{ end }}>
+      <a class="d-inline-flex align-items-center bd-sidenav-group-link" data-toggle="collapse" href="#{{ $group_slug }}-collapse"
+         role="button" aria-expanded="{{ $active_group }}"{{ if $active_group }} aria-current="true"{{ end }}>
         {{ $group.title }}
       </a>
 
       {{- if $group.pages }}
-      <ul class="nav bd-sidenav flex-column mb-2">
+      <ul class="nav bd-sidenav flex-column mb-2 collapse{{ if $active_group }} show{{ end }}" id="{{ $group_slug }}-collapse">
         {{- range $doc := $group.pages -}}
           {{- $doc_slug := $doc.title | urlize }}
           <li{{ if and $active_group (eq $page_slug $doc_slug) }} class="active bd-sidenav-active"{{ end }}>