diff --git a/providers/src/airflow/providers/microsoft/azure/hooks/msgraph.py b/providers/src/airflow/providers/microsoft/azure/hooks/msgraph.py
index 9f97f862089f2..4a60022d73817 100644
--- a/providers/src/airflow/providers/microsoft/azure/hooks/msgraph.py
+++ b/providers/src/airflow/providers/microsoft/azure/hooks/msgraph.py
@@ -288,7 +288,7 @@ def get_conn(self) -> RequestAdapter:
             http_client = GraphClientFactory.create_with_default_middleware(
                 api_version=api_version,  # type: ignore
                 client=httpx.AsyncClient(
-                    proxies=httpx_proxies,
+                    mounts=httpx_proxies,
                     timeout=Timeout(timeout=self.timeout),
                     verify=verify,
                     trust_env=trust_env,