diff --git a/addons/website_membership/views/website_membership.xml b/addons/website_membership/views/website_membership.xml
index e99cef651f6..79b7fa224ec 100644
--- a/addons/website_membership/views/website_membership.xml
+++ b/addons/website_membership/views/website_membership.xml
@@ -35,7 +35,7 @@
                 <div class="col-md-4" id="left_column">
                     <ul class="nav nav-pills nav-stacked mt16">
                         <li class="nav-header"><h3>Associations</h3></li>
-                        <li t-att-class="membership and '' or 'active'"><a t-href="/members/">All</a></li>
+                        <li t-att-class="'membership' if membership else 'active' "><a t-href="/members/">All</a></li>
                         <t t-foreach="memberships" t-as="membership_id">
                             <li t-att-class="membership and membership_id.id == membership.id and 'active' or ''">
                                 <a t-href="/members/association/#{ membership_id.id }"><t t-esc="membership_id.name"/></a>