diff --git a/packages/medusa/src/api/routes/admin/products/update-product.js b/packages/medusa/src/api/routes/admin/products/update-product.js
index d017e36951..a90d759868 100644
--- a/packages/medusa/src/api/routes/admin/products/update-product.js
+++ b/packages/medusa/src/api/routes/admin/products/update-product.js
@@ -6,6 +6,9 @@ export default async (req, res) => {
 
   const schema = Validator.object().keys({
     title: Validator.string().optional(),
+    subtitle: Validator.string()
+      .optional()
+      .allow(null, ""),
     description: Validator.string().optional(),
     type: Validator.object()
       .keys({