diff --git a/SkyNET/Exo.py b/SkyNET/Exo.py
index 8bef615..9002324 100644
--- a/SkyNET/Exo.py
+++ b/SkyNET/Exo.py
@@ -28,6 +28,14 @@ class ExoParticipant(Participant):
        def __init__(self, exo=None, *args, **kwargs):
                super(ExoParticipant,self).__init__(*args, **kwargs)
                self.exo=exo
+               if "handle_reply_to_engine" in dir(self.exo.handler):
+                       def func(wi):  self.handle_reply_to_engine(wi)
+                       self.exo.reply_to_engine = func
+
+       def handle_reply_to_engine(wi):
+               self.workitem = wi
+               super(ExoParticipant,self).reply_to_engine()

        def consume(self):
                self.exo.handler.handle_wi(self.workitem)