diff --git a/hgweb/hg.conf b/hgweb/hg.conf
index 6194e5198..d39d050c0 100644
--- a/hgweb/hg.conf
+++ b/hgweb/hg.conf
@@ -1,5 +1,6 @@
 LoadModule wsgi_module /usr/lib/apache2/modules/mod_wsgi.so
-WSGIPythonOptimize 1
+WSGIPythonOptimize 0
+WSGILazyInitialization Off
 WSGISocketPrefix logs/wsgi
 LogLevel debug
 ServerName localhost
diff --git a/hgweb/hgweb.wsgi b/hgweb/hgweb.wsgi
index 55d591dae..876a55f3e 100644
--- a/hgweb/hgweb.wsgi
+++ b/hgweb/hgweb.wsgi
@@ -13,7 +13,7 @@ config = b"/var/hg/hgweb.hgrc"
 #import cgitb; cgitb.enable()
 
 # enable demandloading to reduce startup time
-from mercurial import demandimport; demandimport.disable()
+from mercurial import demandimport; demandimport.enable()
 
 from mercurial.hgweb import hgweb
 application = hgweb(config)