diff --git a/internal/ym/products/repository_api.go b/internal/ym/products/repository_api.go
index 3579589..da42e96 100644
--- a/internal/ym/products/repository_api.go
+++ b/internal/ym/products/repository_api.go
@@ -254,7 +254,7 @@ func (r *apiRepository) CalculateProductTariffs(ctx context.Context, marketplace
 func (r *apiRepository) setTariffsRateLimit() {
 	ym.SetPathLimit("/tariffs/calculate", rateLimitWindow, tariffsRateLimit)
 }
-func getCategoriesError(bodyData string) []int64 {
+func GetCategoriesError(bodyData string) []int64 {
 	var result []int64
 	for _, v := range gjson.Get(bodyData, "errors.#.message").Array() {
 		errorMessage := v.String()
@@ -280,7 +280,7 @@ func getCategoriesError(bodyData string) []int64 {
 
 func filterOffersByCategories(offers []*pb.CalculateProductTariffsRequest_Offer, categories []int64) []*pb.CalculateProductTariffsRequest_Offer {
 	return lo.Filter(offers, func(offer *pb.CalculateProductTariffsRequest_Offer, _ int) bool {
-		return lo.Contains(categories, offer.CategoryId)
+		return !lo.Contains(categories, offer.CategoryId)
 	})
 }
 
@@ -321,7 +321,7 @@ func (r *apiRepository) processTariffChunk(ctx context.Context, client *ymclient
 				return nil, fmt.Errorf("failed to read response body for chunk %d: %w", chunkIndex+1, httpErr)
 			}
 			fmt.Printf("Error response for chunk %d: %s\n", chunkIndex+1, string(bodyData))
-			categoriesErrors := getCategoriesError(string(bodyData))
+			categoriesErrors := GetCategoriesError(string(bodyData))
 			if len(categoriesErrors) == 0 {
 				return nil, fmt.Errorf("failed to call Yandex Market API for chunk %d: %w", chunkIndex+1, err)
 			}