diff --git a/{{cookiecutter.project_slug}}/backend/app/app/api/api_v1/endpoints/users.py b/{{cookiecutter.project_slug}}/backend/app/app/api/api_v1/endpoints/users.py
index c8f89b63d8..c9cd5f4043 100644
--- a/{{cookiecutter.project_slug}}/backend/app/app/api/api_v1/endpoints/users.py
+++ b/{{cookiecutter.project_slug}}/backend/app/app/api/api_v1/endpoints/users.py
@@ -40,7 +40,7 @@ def create_user(
     user = crud.user.get_by_email(db, email=user_in.email)
     if user:
         raise HTTPException(
-            status_code=400,
+            status_code=409,
             detail="The user with this username already exists in the system.",
         )
     user = crud.user.create(db, obj_in=user_in)
@@ -105,7 +105,7 @@ def create_user_open(
     user = crud.user.get_by_email(db, email=email)
     if user:
         raise HTTPException(
-            status_code=400,
+            status_code=409,
             detail="The user with this username already exists in the system",
         )
     user_in = schemas.UserCreate(password=password, email=email, full_name=full_name)
@@ -127,7 +127,7 @@ def read_user_by_id(
         return user
     if not crud.user.is_superuser(current_user):
         raise HTTPException(
-            status_code=400, detail="The user doesn't have enough privileges"
+            status_code=401, detail="The user doesn't have enough privileges"
         )
     return user