diff --git a/packages/core/types/src/http/product-category/common.ts b/packages/core/types/src/http/product-category/common.ts
index cd747d8af3111..86d0f67f6a8e5 100644
--- a/packages/core/types/src/http/product-category/common.ts
+++ b/packages/core/types/src/http/product-category/common.ts
@@ -14,6 +14,7 @@ export interface BaseProductCategory {
   parent_category: BaseProductCategory | null
   category_children: BaseProductCategory[]
   products?: BaseProduct[]
+  metadata?: Record<string, unknown> | null
   created_at: string
   updated_at: string
   deleted_at: string | null
@@ -21,7 +22,7 @@ export interface BaseProductCategory {
 
 export interface BaseProductCategoryListParams
   extends FindParams,
-    BaseFilterable<BaseProductCategoryListParams> {
+  BaseFilterable<BaseProductCategoryListParams> {
   q?: string
   id?: string | string[]
   name?: string | string[]
diff --git a/packages/modules/product/src/models/product-category.ts b/packages/modules/product/src/models/product-category.ts
index a7a993dba8c55..3736c3dd1f43f 100644
--- a/packages/modules/product/src/models/product-category.ts
+++ b/packages/modules/product/src/models/product-category.ts
@@ -113,7 +113,7 @@ class ProductCategory {
   deleted_at?: Date
 
   @Property({ columnType: "jsonb", nullable: true })
-  metadata?: Record<string, unknown> | null
+  metadata: Record<string, unknown> | null = null
 
   @ManyToMany(() => Product, (product) => product.categories)
   products = new Collection<Product>(this)