diff --git a/ssb/packet_stream.py b/ssb/packet_stream.py
index b672ac2..917a958 100644
--- a/ssb/packet_stream.py
+++ b/ssb/packet_stream.py
@@ -58,7 +58,7 @@ class PSRequestHandler(object):
 
     def __await__(self):
         # wait until 'process' is called
-        yield from self.event.wait()
+        yield from self.event.wait().__await__()
         return self._msg