diff --git a/maubot/cli/cliq/cliq.py b/maubot/cli/cliq/cliq.py
index 2883441..91533ce 100644
--- a/maubot/cli/cliq/cliq.py
+++ b/maubot/cli/cliq/cliq.py
@@ -35,7 +35,7 @@ from .validators import ClickValidator, Required
 def with_http(func):
     @functools.wraps(func)
     async def wrapper(*args, **kwargs):
-        async with aiohttp.ClientSession() as sess:
+        async with aiohttp.ClientSession(trust_env=True) as sess:
             try:
                 return await func(*args, sess=sess, **kwargs)
             except aiohttp.ClientError as e:
@@ -50,7 +50,7 @@ def with_authenticated_http(func):
         server, token = get_token(server)
         if not token:
             return
-        async with aiohttp.ClientSession(headers={"Authorization": f"Bearer {token}"}) as sess:
+        async with aiohttp.ClientSession(headers={"Authorization": f"Bearer {token}"}, trust_env=True) as sess:
             try:
                 return await func(*args, sess=sess, server=server, **kwargs)
             except aiohttp.ClientError as e:
diff --git a/maubot/client.py b/maubot/client.py
index bdb76fc..d09f9a9 100644
--- a/maubot/client.py
+++ b/maubot/client.py
@@ -139,7 +139,7 @@ class Client(DBClient):
         self._postinited = True
         self.cache[self.id] = self
         self.log = self.log.getChild(self.id)
-        self.http_client = ClientSession(loop=self.maubot.loop)
+        self.http_client = ClientSession(loop=self.maubot.loop, trust_env=True)
         self.references = set()
         self.started = False
         self.sync_ok = True
diff --git a/maubot/management/api/client_proxy.py b/maubot/management/api/client_proxy.py
index 3fa682b..d39f140 100644
--- a/maubot/management/api/client_proxy.py
+++ b/maubot/management/api/client_proxy.py
@@ -14,6 +14,7 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 from aiohttp import client as http, web
+from urllib.request import getproxies
 
 from ...client import Client
 from .base import routes
@@ -45,8 +46,10 @@ async def proxy(request: web.Request) -> web.StreamResponse:
             headers["X-Forwarded-For"] = f"{host}:{port}"
 
     data = await request.read()
+    proxies = getproxies()
     async with http.request(
-        request.method, f"{client.homeserver}/{path}", headers=headers, params=query, data=data
+            request.method, f"{client.homeserver}/{path}", headers=headers, params=query, data=data,
+            proxy=proxies["https"] if "https" in proxies else None
     ) as proxy_resp:
         response = web.StreamResponse(status=proxy_resp.status, headers=proxy_resp.headers)
         await response.prepare(request)
diff --git a/maubot/standalone/__main__.py b/maubot/standalone/__main__.py
index 6d3150d..a72cb08 100644
--- a/maubot/standalone/__main__.py
+++ b/maubot/standalone/__main__.py
@@ -235,7 +235,7 @@ if appservice_listener:
 
 
 async def main():
-    http_client = ClientSession(loop=loop)
+    http_client = ClientSession(loop=loop, trust_env=True)
 
     global client, bot