1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/rest/client/v2_alpha/sendtodevice.py b/synapse/rest/client/v2_alpha/sendtodevice.py

index 78075b8fc0..2613648d82 100644
--- a/synapse/rest/client/v2_alpha/sendtodevice.py
+++ b/synapse/rest/client/v2_alpha/sendtodevice.py
@@ -60,7 +60,7 @@ class SendToDeviceRestServlet(servlet.RestServlet):
         )
 
         response = (200, {})
-        defer.returnValue(response)
+        return response
 
 
 def register_servlets(hs, http_server):