diff --git a/packages/medusa/src/api/routes/admin/price-lists/update-price-list.ts b/packages/medusa/src/api/routes/admin/price-lists/update-price-list.ts
index b6bccb0b12..bb5c2d1e06 100644
--- a/packages/medusa/src/api/routes/admin/price-lists/update-price-list.ts
+++ b/packages/medusa/src/api/routes/admin/price-lists/update-price-list.ts
@@ -145,11 +145,11 @@ export class AdminPostPriceListsPriceListPriceListReq {
   @IsArray()
   @Type(() => AdminPriceListPricesUpdateReq)
   @ValidateNested({ each: true })
-  prices: AdminPriceListPricesUpdateReq[]
+  prices?: AdminPriceListPricesUpdateReq[]
 
   @IsOptional()
   @IsArray()
   @Type(() => CustomerGroup)
   @ValidateNested({ each: true })
-  customer_groups: CustomerGroup[]
+  customer_groups?: CustomerGroup[]
 }