diff --git a/addons/website_sale_comparison/static/src/js/website_sale_comparison.js b/addons/website_sale_comparison/static/src/js/website_sale_comparison.js
index ad965443ff2..9412ac7abff 100644
--- a/addons/website_sale_comparison/static/src/js/website_sale_comparison.js
+++ b/addons/website_sale_comparison/static/src/js/website_sale_comparison.js
@@ -308,4 +308,5 @@ publicWidget.registry.ProductComparison = publicWidget.Widget.extend(cartHandler
         }
     },
 });
+return ProductComparison;
 });