diff --git a/openerp/service/workers.py b/openerp/service/workers.py
index 9264ef12996..b275f5cd8cd 100644
--- a/openerp/service/workers.py
+++ b/openerp/service/workers.py
@@ -186,6 +186,11 @@ class Multicorn(object):
             for pid in self.workers.keys():
                 self.worker_kill(pid, signal.SIGINT)
             while self.workers and time.time() < limit:
+                try:
+                    self.process_signals()
+                except KeyboardInterrupt:
+                    _logger.info("Forced shutdown.")
+                    break
                 self.process_zombie()
                 time.sleep(0.1)
         else: