diff --git a/backend/src/main.ts b/backend/src/main.ts
index 761f105..e9246d4 100644
--- a/backend/src/main.ts
+++ b/backend/src/main.ts
@@ -1,5 +1,5 @@
 import { NestFactory } from '@nestjs/core';
-import { UnprocessableEntityException, ValidationError, ValidationPipe } from '@nestjs/common';
+import { BadRequestException, ValidationError, ValidationPipe } from '@nestjs/common';
 import { AppModule } from './app.module';
 
 async function bootstrap() {
@@ -47,7 +47,7 @@ async function bootstrap() {
           return errors;
         };
         const errors = getPrettyClassValidatorErrors(validationErrors);
-        return new UnprocessableEntityException({
+        return new BadRequestException({
           message: 'validation error',
           errors: errors,
         });