diff --git a/addons/web/views/webclient_templates.xml b/addons/web/views/webclient_templates.xml
index d24491ce108..615884c5697 100644
--- a/addons/web/views/webclient_templates.xml
+++ b/addons/web/views/webclient_templates.xml
@@ -94,7 +94,7 @@
             </a>
         </t>
         <t t-set="final_message">Powered by %s%s</t>
-        <t t-raw="final_message % (odoo_logo, _message and ('- %s' % _message) or '')"/>
+        <t t-out="final_message % (odoo_logo, _message and ('- ' + _message) or '')"/>
     </template>
     <template id="brand_promotion" name="Brand Promotion">
         <div class="o_brand_promotion">