diff --git a/odoo/addons/base/views/ir_module_views.xml b/odoo/addons/base/views/ir_module_views.xml
index ded83d8ab8e..ad75fb556b4 100644
--- a/odoo/addons/base/views/ir_module_views.xml
+++ b/odoo/addons/base/views/ir_module_views.xml
@@ -200,7 +200,7 @@
                           <div class="oe_module_action d-flex flex-wrap justify-content-between">
                             <button type="object" class="btn btn-primary btn-sm" name="button_immediate_install" states="uninstalled" t-if="! record.to_buy.raw_value" groups="base.group_system">Activate</button>
                             <div t-if="installed" class="d-flex align-items-center text-muted float-start">Installed</div>
-                            <a t-att-href="record.website.raw_value" target="_blank" attrs="{'invisible':[('website', '=', '')]}" class="btn btn-sm btn-secondary float-end o-hidden-ios" role="button">Learn More</a>
+                            <a t-att-href="record.website.raw_value" target="_blank" attrs="{'invisible':[('website', 'in', (False, ''))]}" class="btn btn-sm btn-secondary float-end o-hidden-ios" role="button">Learn More</a>
                             <a type="edit" class="btn btn-secondary btn-sm float-end" role="button" attrs="{'invisible': [('website', '&lt;&gt;', '')]}">Module Info</a>
                             <a href="https://odoo.com/pricing?utm_source=db&amp;utm_medium=module#hosting=on_premise" target="_blank" class="btn btn-info btn-sm" states="uninstalled,uninstallable" t-if="record.to_buy.raw_value" role="button" groups="base.group_system">Upgrade</a>
                             <button states="to remove" type="object" class="btn btn-sm btn-primary" name="button_uninstall_cancel" groups="base.group_system">Cancel Uninstall</button>