diff --git a/homeassistant/components/onvif/camera.py b/homeassistant/components/onvif/camera.py
index 3f244530dca67..301eb732068c2 100644
--- a/homeassistant/components/onvif/camera.py
+++ b/homeassistant/components/onvif/camera.py
@@ -15,6 +15,7 @@
 import onvif
 from onvif import ONVIFCamera, exceptions
 import voluptuous as vol
+from zeep.asyncio import AsyncTransport
 from zeep.exceptions import Fault
 
 from homeassistant.components.camera import PLATFORM_SCHEMA, SUPPORT_STREAM, Camera
@@ -29,7 +30,10 @@
     CONF_USERNAME,
 )
 from homeassistant.exceptions import PlatformNotReady
-from homeassistant.helpers.aiohttp_client import async_aiohttp_proxy_stream
+from homeassistant.helpers.aiohttp_client import (
+    async_aiohttp_proxy_stream,
+    async_get_clientsession,
+)
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.service import async_extract_entity_ids
 import homeassistant.util.dt as dt_util
@@ -146,12 +150,15 @@ def __init__(self, hass, config):
             "Setting up the ONVIF camera device @ '%s:%s'", self._host, self._port
         )
 
+        session = async_get_clientsession(hass)
+        transport = AsyncTransport(None, session=session)
         self._camera = ONVIFCamera(
             self._host,
             self._port,
             self._username,
             self._password,
             "{}/wsdl/".format(os.path.dirname(onvif.__file__)),
+            transport=transport,
         )
 
     async def async_initialize(self):