diff --git a/src/commands/__test__/uploadTarea.test.ts b/src/commands/__test__/uploadTarea.test.ts
index 126a3c4..9fcd8ad 100644
--- a/src/commands/__test__/uploadTarea.test.ts
+++ b/src/commands/__test__/uploadTarea.test.ts
@@ -165,7 +165,7 @@ describe('uploadTarea test', () => {
 
     const expectedUser: ICreateUserDto = {
       roles: ['Student'],
-      username: undefined,
+      username: 'fake@email.com',
       externalId: `oauth2|sign-in-with-slack|${MOCKED_SLACK_TEAM_ID}-mockId`,
     };
 
diff --git a/src/commands/tarea/uploadTarea.ts b/src/commands/tarea/uploadTarea.ts
index 4543290..2702d8e 100644
--- a/src/commands/tarea/uploadTarea.ts
+++ b/src/commands/tarea/uploadTarea.ts
@@ -44,6 +44,7 @@ export const uploadTarea = async ({
 
   if (!users.length) {
     const createUserDto: ICreateUserDto = {
+      username: email,
       externalId: auth0Id,
       roles: ['Student'],
     };