diff --git a/mercurial/hgweb/__init__.py b/mercurial/hgweb/__init__.py
--- a/mercurial/hgweb/__init__.py
+++ b/mercurial/hgweb/__init__.py
@@ -9,7 +9,6 @@
 from __future__ import absolute_import
 
 import os
-import sys
 
 from ..i18n import _
 
@@ -112,7 +111,6 @@
 
     def run(self):
         self.httpd.serve_forever()
-        sys.exit(0)
 
 
 def createapp(baseui, repo, webconf):