diff --git a/internal/modules/master/suppliers/dto/supplier_product.dto.go b/internal/modules/master/suppliers/dto/supplier_product.dto.go
index a6178aaf..fd070161 100644
--- a/internal/modules/master/suppliers/dto/supplier_product.dto.go
+++ b/internal/modules/master/suppliers/dto/supplier_product.dto.go
@@ -30,6 +30,9 @@ func toSupplierProductDTOs(relations []entity.ProductSupplier) []SupplierProduct
 		if product.Id == 0 {
 			continue
 		}
+		if len(product.Flags) == 0 {
+			continue
+		}
 
 		flags := make([]string, len(product.Flags))
 		for i, f := range product.Flags {