diff --git a/packages/medusa/src/models/product-option.ts b/packages/medusa/src/models/product-option.ts
index 2b101677c8..c45713834c 100644
--- a/packages/medusa/src/models/product-option.ts
+++ b/packages/medusa/src/models/product-option.ts
@@ -28,7 +28,7 @@ export class ProductOption {
     () => ProductOptionValue,
     value => value.option
   )
-  values: ProductOptionValue
+  values: ProductOptionValue[]
 
   @Column()
   product_id: string