diff --git a/tests/conftest.py b/tests/conftest.py
index ff65ae71..962a0402 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -26,8 +26,8 @@ class User(models.BaseUser):
     first_name: Optional[str]
 
 
-class UserCreate(User, models.BaseUserCreate):
-    pass
+class UserCreate(models.BaseUserCreate):
+    first_name: Optional[str]
 
 
 class UserUpdate(User, models.BaseUserUpdate):
diff --git a/tests/test_router_register.py b/tests/test_router_register.py
index 8ade5675..3b7db713 100644
--- a/tests/test_router_register.py
+++ b/tests/test_router_register.py
@@ -49,6 +49,14 @@ class TestRegister:
         assert response.status_code == status.HTTP_422_UNPROCESSABLE_ENTITY
         assert after_register.called is False
 
+    async def test_missing_email(
+        self, test_app_client: httpx.AsyncClient, after_register
+    ):
+        json = {"password": "guinevere"}
+        response = await test_app_client.post("/register", json=json)
+        assert response.status_code == status.HTTP_422_UNPROCESSABLE_ENTITY
+        assert after_register.called is False
+
     async def test_missing_password(
         self, test_app_client: httpx.AsyncClient, after_register
     ):