diff --git a/addons/web/static/src/xml/base.xml b/addons/web/static/src/xml/base.xml
index aa6b94b06a2..c15e02422a9 100644
--- a/addons/web/static/src/xml/base.xml
+++ b/addons/web/static/src/xml/base.xml
@@ -806,7 +806,7 @@
 </t>
 <t t-name="FieldMany2One">
     <t t-if="widget.mode === 'readonly'">
-        <a t-if="!widget.nodeOptions.no_open" t-att-tabindex="widget.node.attrs.tabindex" class="o_form_uri" href="#"/>
+        <a t-if="!widget.nodeOptions.no_open" t-att-tabindex="widget.attrs.tabindex" class="o_form_uri" href="#"/>
         <span t-if="widget.nodeOptions.no_open"/>
     </t>
     <div t-if="widget.mode === 'edit'" class="o_field_widget o_field_many2one">