diff --git a/packages/medusa/src/api/routes/admin/customer-groups/get-customer-group.ts b/packages/medusa/src/api/routes/admin/customer-groups/get-customer-group.ts
index de753b6bdd..ecbad1af32 100644
--- a/packages/medusa/src/api/routes/admin/customer-groups/get-customer-group.ts
+++ b/packages/medusa/src/api/routes/admin/customer-groups/get-customer-group.ts
@@ -26,7 +26,7 @@ import { defaultAdminCustomerGroupsRelations } from "."
 export default async (req, res) => {
   const { id } = req.params
 
-  const validated = await validator(FindParams, req.query)
+  const validated = await validator(AdminGetCustomerGroupsGroupParams, req.query)
 
   const customerGroupService: CustomerGroupService = req.scope.resolve(
     "customerGroupService"