diff --git a/homeassistant/components/hassio/auth.py b/homeassistant/components/hassio/auth.py
index 23b91ac40bc..a1c032fe0fe 100644
--- a/homeassistant/components/hassio/auth.py
+++ b/homeassistant/components/hassio/auth.py
@@ -82,7 +82,7 @@ class HassIOAuth(HassIOBaseAuth):
                 data[ATTR_USERNAME], data[ATTR_PASSWORD]
             )
         except auth_ha.InvalidAuth:
-            raise HTTPUnauthorized() from None
+            raise HTTPNotFound() from None
 
         return web.Response(status=HTTP_OK)
 
diff --git a/tests/components/hassio/test_auth.py b/tests/components/hassio/test_auth.py
index 5f27c06a190..a533d468069 100644
--- a/tests/components/hassio/test_auth.py
+++ b/tests/components/hassio/test_auth.py
@@ -66,7 +66,7 @@ async def test_login_error(hass, hassio_client_supervisor):
         )
 
         # Check we got right response
-        assert resp.status == 401
+        assert resp.status == 404
         mock_login.assert_called_with("test", "123456")