diff --git a/tests/test_litellm/llms/anthropic/test_anthropic_files_and_batches.py b/tests/test_litellm/llms/anthropic/test_anthropic_files_and_batches.py
index 47571220175..0755c189afc 100644
--- a/tests/test_litellm/llms/anthropic/test_anthropic_files_and_batches.py
+++ b/tests/test_litellm/llms/anthropic/test_anthropic_files_and_batches.py
@@ -336,7 +336,7 @@ class TestAnthropicFilesHandler:
             "extra_body": None
         }
 
-        with patch.object(handler.anthropic_model_info, "get_api_key", return_value=None):
+        with patch.object(handler.anthropic_model_info, "get_auth_header", return_value=None):
             with pytest.raises(ValueError, match="Missing Anthropic API Key"):
                 await handler.afile_content(
                     file_content_request=file_content_request,