diff --git a/bitbake/lib/bb/server/process.py b/bitbake/lib/bb/server/process.py
index 5c1044dd50..3a0706c498 100644
--- a/bitbake/lib/bb/server/process.py
+++ b/bitbake/lib/bb/server/process.py
@@ -78,7 +78,6 @@ class ProcessServer(Process):
         self.event_queue = event_queue
         self.event = EventAdapter(event_queue)
         self._idlefunctions = {}
-        self.event_handle = bb.event.register_UIHhandler(self)
         self.quit = False
 
         self.keep_running = Event()
@@ -93,6 +92,7 @@ class ProcessServer(Process):
         self._idlefunctions[function] = data
 
     def run(self):
+        self.event_handle = bb.event.register_UIHhandler(self)
         bb.cooker.server_main(self.cooker, self.main)
 
     def main(self):