diff --git a/artiq/protocols/pc_rpc.py b/artiq/protocols/pc_rpc.py
index d50c13591..539e9f7f3 100644
--- a/artiq/protocols/pc_rpc.py
+++ b/artiq/protocols/pc_rpc.py
@@ -246,7 +246,8 @@ class AsyncioClient:
     def __getattr__(self, name):
         @asyncio.coroutine
         def proxy(*args, **kwargs):
-            return self.__do_rpc(name, args, kwargs)
+            res = yield from self.__do_rpc(name, args, kwargs)
+            return res
         return proxy