diff --git a/src/entities/dto/create-iot-device.dto.ts b/src/entities/dto/create-iot-device.dto.ts
index f0bb7142..c559e528 100644
--- a/src/entities/dto/create-iot-device.dto.ts
+++ b/src/entities/dto/create-iot-device.dto.ts
@@ -1,6 +1,7 @@
 import { ApiProperty } from "@nestjs/swagger";
 import { Type } from "class-transformer";
 import {
+    IsEnum,
     IsInt,
     IsOptional,
     IsString,
@@ -29,6 +30,7 @@ export class CreateIoTDeviceDto {
     name: string;
 
     @ApiProperty({ required: true })
+    @IsEnum(IoTDeviceType)
     type: IoTDeviceType;
 
     @Min(1)