diff --git a/openerp/service/server.py b/openerp/service/server.py
index 699c7b25ed1..8df92ac8606 100644
--- a/openerp/service/server.py
+++ b/openerp/service/server.py
@@ -278,7 +278,7 @@ class ThreadedServer(CommonServer):
             signal.signal(signal.SIGQUIT, dumpstacks)
         elif os.name == 'nt':
             import win32api
-            win32api.SetConsoleCtrlHandler(lambda sig: signal_handler(sig, None), 1)
+            win32api.SetConsoleCtrlHandler(lambda sig: self.signal_handler(sig, None), 1)
         self.cron_spawn()
         self.http_spawn()