diff --git a/synapse/rest/media/v1/config_resource.py b/synapse/rest/media/v1/config_resource.py

index 9039662f7e..1eff98ef14 100644
--- a/synapse/rest/media/v1/config_resource.py
+++ b/synapse/rest/media/v1/config_resource.py
@@ -20,6 +20,7 @@ from typing import TYPE_CHECKING
 from twisted.web.server import Request
 
 from synapse.http.server import DirectServeJsonResource, respond_with_json
+from synapse.http.site import SynapseRequest
 
 if TYPE_CHECKING:
     from synapse.app.homeserver import HomeServer
@@ -35,7 +36,7 @@ class MediaConfigResource(DirectServeJsonResource):
         self.auth = hs.get_auth()
         self.limits_dict = {"m.upload.size": config.max_upload_size}
 
-    async def _async_render_GET(self, request: Request) -> None:
+    async def _async_render_GET(self, request: SynapseRequest) -> None:
         await self.auth.get_user_by_req(request)
         respond_with_json(request, 200, self.limits_dict, send_cors=True)