diff --git a/tests/unit/litellm_core_utils/test_health_check_helpers.py b/tests/unit/litellm_core_utils/test_health_check_helpers.py
index 4f62c6fb096..c23749f7a20 100644
--- a/tests/unit/litellm_core_utils/test_health_check_helpers.py
+++ b/tests/unit/litellm_core_utils/test_health_check_helpers.py
@@ -534,12 +534,12 @@ async def test_ocr_health_check_sends_the_document_kind_the_provider_config_acce
     assert document[expected_document_type].startswith(expected_uri_prefix)
 
 
-def test_realtime_health_check_azure_ad_params_drop_reserved_keys():
+async def test_realtime_health_check_azure_ad_params_drop_reserved_keys():
     from litellm.realtime_api import main as realtime_main
 
     seen = []
     with patch.object(realtime_main, "get_azure_ad_token", lambda params: seen.append(params) or "ad-token"):
-        headers = realtime_main._realtime_health_check_auth_headers(
+        headers = await realtime_main._realtime_health_check_auth_headers(
             "azure",
             None,
             MappingProxyType({"api_base": "https://x.openai.azure.com", "self": 1, "params": 2, "__class__": 3}),