diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index b6ff72cfcde..14dbe2a790a 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -2595,7 +2595,7 @@ instance.web.form.FieldCharDomain = instance.web.form.AbstractField.extend(insta
         };
         this.$('.select_records').on('click', self.on_click);
     },
-    on_click: function(ev) {
+    on_click: function(event) {
         event.preventDefault();
         var self = this;
         var model = this.options.model || this.field_manager.get_field_value(this.options.model_field);