diff --git a/catalog/entity/product.go b/catalog/entity/product.go
index dda6d41..4aa7cd6 100644
--- a/catalog/entity/product.go
+++ b/catalog/entity/product.go
@@ -3,10 +3,10 @@ package catalog
 import "time"
 
 type Product struct {
-	ID        string    `json:"id",db:"id"`
-	Slug      string    `json:"slug",db:"slug"`
-	Name      string    `json:"name",db:"name"`
-	Price     float64   `json:"price",db:"price"`
-	CreatedAt time.Time `json:"created_at",db:"created_at"`
-	UpdatedAt time.Time `json:"updated_at",db:"updated_at,omitempty"`
+	ID        string    `json:"id", db:"id"`
+	Slug      string    `json:"slug", db:"slug"`
+	Name      string    `json:"name", db:"name"`
+	Price     float64   `json:"price", db:"price"`
+	CreatedAt time.Time `json:"created_at", db:"created_at"`
+	UpdatedAt time.Time `json:"updated_at", db:"updated_at, omitempty"`
 }