diff --git a/src/modules/ad/interface/grpc-controllers/dtos/match.request.dto.ts b/src/modules/ad/interface/grpc-controllers/dtos/match.request.dto.ts
index 7833f54..2557f07 100644
--- a/src/modules/ad/interface/grpc-controllers/dtos/match.request.dto.ts
+++ b/src/modules/ad/interface/grpc-controllers/dtos/match.request.dto.ts
@@ -57,6 +57,7 @@ export class MatchRequestDto {
 
   @Type(() => ScheduleItemDto)
   @IsArray()
+  @ArrayMinSize(1)
   @IsOptional()
   @ValidateNested({ each: true })
   schedule?: ScheduleItemDto[];