diff --git a/databricks/sdk/mixins/files.py b/databricks/sdk/mixins/files.py
index 2cdaf3532..fdf08a839 100644
--- a/databricks/sdk/mixins/files.py
+++ b/databricks/sdk/mixins/files.py
@@ -1337,6 +1337,7 @@ def extended_is_retryable(e: BaseException) -> Optional[str]:
             # where we believe request didn't reach the server
             is_retryable=extended_is_retryable,
             before_retry=before_retry,
+            clock=self._config.clock,
         )(delegate)()
 
     def _open_download_stream(
diff --git a/tests/conftest.py b/tests/conftest.py
index 9dddc16a2..cb2efc0a2 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -8,6 +8,7 @@
 from databricks.sdk.core import Config
 from databricks.sdk.credentials_provider import credentials_strategy
 
+from .clock import FakeClock
 from .integration.conftest import restorable_env  # type: ignore
 
 
@@ -18,7 +19,7 @@ def noop_credentials(_: any):
 
 @pytest.fixture
 def config():
-    return Config(host="http://localhost", credentials_strategy=noop_credentials)
+    return Config(host="http://localhost", credentials_strategy=noop_credentials, clock=FakeClock())
 
 
 @pytest.fixture