diff --git a/app/repos/productsRepo/productsRepo.go b/app/repos/productsRepo/productsRepo.go
index da6409b..4450b52 100644
--- a/app/repos/productsRepo/productsRepo.go
+++ b/app/repos/productsRepo/productsRepo.go
@@ -19,8 +19,8 @@ type UIProductsRepo interface {
 	Find(id_lang, userID uint, p find.Paging, filt *filters.FiltersList) (find.Found[model.ProductInList], error)
 	AddToFavorites(userID uint, productID uint) error
 	RemoveFromFavorites(userID uint, productID uint) error
-	ExistsInFavorites(userID uint, productID uint) (int64, error)
-	ProductInDatabase(productID uint) (int64, error)
+	ExistsInFavorites(userID uint, productID uint) (bool, error)
+	ProductInDatabase(productID uint) (bool, error)
 }
 
 type ProductsRepo struct{}
@@ -144,20 +144,20 @@ func (repo *ProductsRepo) RemoveFromFavorites(userID uint, productID uint) error
 		Delete(&model.B2bFavorite{}).Error
 }
 
-func (repo *ProductsRepo) ExistsInFavorites(userID uint, productID uint) (int64, error) {
+func (repo *ProductsRepo) ExistsInFavorites(userID uint, productID uint) (bool, error) {
 	var count int64
 	err := db.Get().
 		Table("b2b_favorites").
 		Where("user_id = ? AND product_id = ?", userID, productID).
 		Count(&count).Error
-	return count, err
+	return count >= 1, err
 }
 
-func (repo *ProductsRepo) ProductInDatabase(productID uint) (int64, error) {
+func (repo *ProductsRepo) ProductInDatabase(productID uint) (bool, error) {
 	var count int64
 	err := db.Get().
 		Table(dbmodel.TableNamePsProduct).
 		Where(dbmodel.PsProductCols.IDProduct.Col()+" = ?", productID).
 		Count(&count).Error
-	return count, err
+	return count >= 1, err
 }
diff --git a/app/service/productService/productService.go b/app/service/productService/productService.go
index ae3ddd6..de6d70e 100644
--- a/app/service/productService/productService.go
+++ b/app/service/productService/productService.go
@@ -35,19 +35,19 @@ func (s *ProductService) Find(id_lang, userID uint, p find.Paging, filters *filt
 }
 
 func (s *ProductService) AddToFavorites(userID uint, productID uint) error {
-	count, err := s.productsRepo.ProductInDatabase(productID)
+	exists, err := s.productsRepo.ProductInDatabase(productID)
 	if err != nil {
 		return err
 	}
-	if count <= 0 {
+	if !exists {
 		return responseErrors.ErrProductNotFound
 	}
 
-	count, err = s.productsRepo.ExistsInFavorites(userID, productID)
+	exists, err = s.productsRepo.ExistsInFavorites(userID, productID)
 	if err != nil {
 		return err
 	}
-	if count >= 1 {
+	if exists {
 		return responseErrors.ErrAlreadyInFavorites
 	}
 
@@ -55,19 +55,19 @@ func (s *ProductService) AddToFavorites(userID uint, productID uint) error {
 }
 
 func (s *ProductService) RemoveFromFavorites(userID uint, productID uint) error {
-	count, err := s.productsRepo.ProductInDatabase(productID)
+	exists, err := s.productsRepo.ProductInDatabase(productID)
 	if err != nil {
 		return err
 	}
-	if count <= 0 {
+	if !exists {
 		return responseErrors.ErrProductNotFound
 	}
 
-	count, err = s.productsRepo.ExistsInFavorites(userID, productID)
+	exists, err = s.productsRepo.ExistsInFavorites(userID, productID)
 	if err != nil {
 		return err
 	}
-	if count <= 0 {
+	if !exists {
 		return responseErrors.ErrNotInFavorites
 	}