diff --git a/www/apps/docs/content/development/entities/extend-repository.md b/www/apps/docs/content/development/entities/extend-repository.md
index 58804c08f5..a99b58ffb3 100644
--- a/www/apps/docs/content/development/entities/extend-repository.md
+++ b/www/apps/docs/content/development/entities/extend-repository.md
@@ -54,7 +54,7 @@ export const ProductRepository = dataSource
   .extend({
     // it is important to spread the existing repository here.
     //  Otherwise you will end up losing core properties
-    ...MedusaProductRepository,
+    ...Object.assign(MedusaProductRepository, { target: Product }),
 
     /**
      * Here you can create your custom function