diff --git a/screenless/bureau/bureau.py b/screenless/bureau/bureau.py
index 99c20fd..1cb78e3 100644
--- a/screenless/bureau/bureau.py
+++ b/screenless/bureau/bureau.py
@@ -400,7 +400,7 @@ class Bureau(object):
                         string=templ.render_unicode(**kwargs))
 
         if self.log.getEffectiveLevel == logging.DEBUG:
-            with html_out as open("/tmp/debug.html", "w"):
+            with open("/tmp/debug.html", "w") as html_out:
                 html_out.write(html_rendered)
                 self.log.debug("debug html output at /tmp/debug.html")