diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index b9dfa8e284a..40d652eb047 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -3138,6 +3138,7 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
                 self.display_value = {};
                 self.render_value();
                 self.focus();
+                self.view.do_onchange(self);
             });
         });