diff --git a/tests/test_jsonfield.py b/tests/test_jsonfield.py
index 3cc475d..1e72927 100644
--- a/tests/test_jsonfield.py
+++ b/tests/test_jsonfield.py
@@ -309,6 +309,7 @@ def test_load_invalid_json(self):
 
         with warnings.catch_warnings(record=True) as w:
             warnings.simplefilter("always")
+            warnings.filterwarnings("ignore", module="django.utils.asyncio")
             instance = JSONNotRequiredModel.objects.get()
 
         self.assertEqual(len(w), 1)
@@ -329,6 +330,7 @@ def test_resave_invalid_json(self):
 
         with warnings.catch_warnings(record=True) as w:
             warnings.simplefilter("always")
+            warnings.filterwarnings("ignore", module="django.utils.asyncio")
             instance = JSONNotRequiredModel.objects.get()
 
         self.assertEqual(len(w), 1)
@@ -339,6 +341,7 @@ def test_resave_invalid_json(self):
 
         with warnings.catch_warnings(record=True) as w:
             warnings.simplefilter("always")
+            warnings.filterwarnings("ignore", module="django.utils.asyncio")
             instance = JSONNotRequiredModel.objects.get()
 
         # No deserialization issues, as 'foo' was saved as a serialized string.
diff --git a/tox.ini b/tox.ini
index 93aa33e..82ccc6c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,7 +21,7 @@ deps =
     isort
 
 [testenv:lint]
-commands = flake8 jsonfield tests {posargs}
+commands = flake8 src tests {posargs}
 deps =
     flake8