diff --git a/src/api/v1/auth.py b/src/api/v1/auth.py
index 0e3934d..0a24366 100644
--- a/src/api/v1/auth.py
+++ b/src/api/v1/auth.py
@@ -27,7 +27,7 @@ async def login(
     session: sessionDep,
     credential: Annotated[OAuth2PasswordRequestForm, Depends()],
     response: Response,
-    fingerprint: str = Form(),
+    fingerprint: str = Form(min_length=5),
 ):
     result = await AuthService(session).login(
         credential.username, credential.password, fingerprint=fingerprint
diff --git a/tests/integration_tests/test_auth_api.py b/tests/integration_tests/test_auth_api.py
index a42545a..28d59c8 100644
--- a/tests/integration_tests/test_auth_api.py
+++ b/tests/integration_tests/test_auth_api.py
@@ -1,5 +1,5 @@
 from httpx import AsyncClient
-
+import pytest
 from src.core.settings import settings
 from src.schemas.users import User
 
@@ -15,14 +15,30 @@ async def test_registration(ac):
     assert result.json()["is_active"]
 
 
-async def test_login(ac: AsyncClient):
+@pytest.mark.parametrize(
+    "fingerprint, username,password,expected_status",
+    [("string", "kot", "P@ssw0rd", 200), ("", "kot", "P@ssw0rd", 422)],
+)
+async def test_login(
+    ac: AsyncClient,
+    fingerprint: str,
+    username: str,
+    password: str,
+    expected_status: int,
+):
     result = await ac.post(
         f"{settings.api.v1_login_url}/login",
         data={
+            "fingerprint": fingerprint,
             "grant_type": "password",
-            "username": "kot",
-            "password": "P@ssw0rd",
+            "username": username,
+            "password": password,
         },
     )
-    assert result.status_code == 200
-    assert result.json().get("access_token")
+    assert result.status_code == expected_status
+    if expected_status == 200:
+        assert result.json().get("access_token") is not None
+    else:
+        json_response = result.json()
+        if expected_status == 422:
+            assert "detail" in json_response