diff --git a/oml/__main__.py b/oml/__main__.py
index ddf6d0e..805f78a 100644
--- a/oml/__main__.py
+++ b/oml/__main__.py
@@ -25,3 +25,8 @@ if len(sys.argv) > 1 and sys.argv[1] == 'server':
     server.run()
 else:
     commands.main()
+if sys.platform == 'win32':
+    # Work around pyopenssl exception to shutdown
+    def handle_exception(*args, **kwargs):
+        pass
+    sys.excepthook = handle_exception