diff --git a/setup.py b/setup.py
index aecbf75..1e5a534 100755
--- a/setup.py
+++ b/setup.py
@@ -51,7 +51,7 @@ except:
 
 setuptools.setup(
         name='warcprox',
-        version='2.1b1.dev50',
+        version='2.1b1.dev51',
         description='WARC writing MITM HTTP/S proxy',
         url='https://github.com/internetarchive/warcprox',
         author='Noah Levitt',
diff --git a/warcprox/warcproxy.py b/warcprox/warcproxy.py
index 64ec738..43b67f1 100644
--- a/warcprox/warcproxy.py
+++ b/warcprox/warcproxy.py
@@ -343,8 +343,10 @@ class RecordedUrl:
         self.host = host
         self.duration = duration
 
-
-class SingleThreadedWarcProxy(http_server.HTTPServer):
+# inherit from object so that multiple inheritance from this class works
+# properly in python 2
+# http://stackoverflow.com/questions/1713038/super-fails-with-error-typeerror-argument-1-must-be-type-not-classobj#18392639
+class SingleThreadedWarcProxy(http_server.HTTPServer, object):
     logger = logging.getLogger("warcprox.warcproxy.WarcProxy")
 
     def __init__(