diff --git a/backend/prisma/migrations/20221201220540_config_and_admin_functionalities/migration.sql b/backend/prisma/migrations/20221201220540_config_and_admin_functionalities/migration.sql
index 3278009..d6578d4 100644
--- a/backend/prisma/migrations/20221201220540_config_and_admin_functionalities/migration.sql
+++ b/backend/prisma/migrations/20221201220540_config_and_admin_functionalities/migration.sql
@@ -28,7 +28,7 @@ CREATE TABLE "new_User" (
     "password" TEXT NOT NULL,
     "isAdmin" BOOLEAN NOT NULL DEFAULT false
 );
-INSERT INTO "new_User" ("createdAt", "email", "id", "password", "updatedAt") SELECT "createdAt", "email", "id", "password", "updatedAt" FROM "User";
+INSERT INTO "new_User" ("createdAt", "email", "id", "password", "updatedAt", "username") SELECT "createdAt", "email", "id", "password", "updatedAt", 'user-' || User.id as "username"  FROM "User";
 DROP TABLE "User";
 ALTER TABLE "new_User" RENAME TO "User";
 CREATE UNIQUE INDEX "User_username_key" ON "User"("username");
diff --git a/backend/src/app.module.ts b/backend/src/app.module.ts
index 0d556b1..fa8108e 100644
--- a/backend/src/app.module.ts
+++ b/backend/src/app.module.ts
@@ -12,6 +12,7 @@ import { EmailModule } from "./email/email.module";
 import { FileModule } from "./file/file.module";
 import { PrismaModule } from "./prisma/prisma.module";
 import { ShareModule } from "./share/share.module";
+import { UserModule } from "./user/user.module";
 
 @Module({
   imports: [
@@ -21,6 +22,7 @@ import { ShareModule } from "./share/share.module";
     EmailModule,
     PrismaModule,
     ConfigModule,
+    UserModule,
     MulterModule.registerAsync({
       useFactory: (config: ConfigService) => ({
         fileFilter: (req: Request, file, cb) => {
diff --git a/backend/src/user/user.module.ts b/backend/src/user/user.module.ts
new file mode 100644
index 0000000..9d45d27
--- /dev/null
+++ b/backend/src/user/user.module.ts
@@ -0,0 +1,7 @@
+import { Module } from "@nestjs/common";
+import { UserController } from "./user.controller";
+
+@Module({
+  controllers: [UserController],
+})
+export class UserModule {}