diff --git a/tests/file_storage/models.py b/tests/file_storage/models.py
index cb0207cae9..12a54edda5 100644
--- a/tests/file_storage/models.py
+++ b/tests/file_storage/models.py
@@ -80,5 +80,5 @@ class Storage(models.Model):
         storage=temp_storage, upload_to="tests", max_length=20
     )
     extended_length = models.FileField(
-        storage=temp_storage, upload_to="tests", max_length=300
+        storage=temp_storage, upload_to="tests", max_length=1024
     )