1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/rest/admin/devices.py b/synapse/rest/admin/devices.py
index 5715190a78..a6fa03c90f 100644
--- a/synapse/rest/admin/devices.py
+++ b/synapse/rest/admin/devices.py
@@ -47,7 +47,7 @@ class DeviceRestServlet(RestServlet):
         self.store = hs.get_datastore()
 
     async def on_GET(
-        self, request: SynapseRequest, user_id, device_id: str
+        self, request: SynapseRequest, user_id: str, device_id: str
     ) -> Tuple[int, JsonDict]:
         await assert_requester_is_admin(self.auth, request)