diff --git a/addons/web/static/src/xml/base.xml b/addons/web/static/src/xml/base.xml
index 894579869a0..5b8622cd327 100644
--- a/addons/web/static/src/xml/base.xml
+++ b/addons/web/static/src/xml/base.xml
@@ -714,7 +714,7 @@
 </t>
 <t t-name="Widget">
     Unhandled widget
-    <t t-raw="console.log('Unhandled widget', widget)"/>
+    <t t-js="dict">console.warn('Unhandled widget', dict.widget);</t>
 </t>
 <t t-name="WidgetFrame">
     <table border="0" width="100%" cellpadding="0" cellspacing="0" class="oe_frame oe_forms">