diff --git a/certbot-nginx/certbot_nginx/obj.py b/certbot-nginx/certbot_nginx/obj.py
index 8868fcfad..d5a6b0624 100644
--- a/certbot-nginx/certbot_nginx/obj.py
+++ b/certbot-nginx/certbot_nginx/obj.py
@@ -36,7 +36,7 @@ class Addr(common.Addr):
     UNSPECIFIED_IPV4_ADDRESSES = ('', '*', '0.0.0.0')
     CANONICAL_UNSPECIFIED_ADDRESS = UNSPECIFIED_IPV4_ADDRESSES[0]
 
-    def __init__(self, host, port, ssl, default, ipv6, ipv6only):
+    def __init__(self, host, port, ssl, default, ipv6, ipv6only, otherparts=None):
         # pylint: disable=too-many-arguments
         super(Addr, self).__init__((host, port))
         self.ssl = ssl
@@ -44,6 +44,7 @@ class Addr(common.Addr):
         self.ipv6 = ipv6
         self.ipv6only = ipv6only
         self.unspecified_address = host in self.UNSPECIFIED_IPV4_ADDRESSES
+        self.otherparts = otherparts
 
     @classmethod
     def fromstring(cls, str_addr):
@@ -84,6 +85,7 @@ class Addr(common.Addr):
                 port = tup[2]
 
         # The rest of the parts are options; we only care about ssl and default
+        otherparts = set()
         while len(parts) > 0:
             nextpart = parts.pop()
             if nextpart == 'ssl':
@@ -94,8 +96,10 @@ class Addr(common.Addr):
                 default = True
             elif nextpart == "ipv6only=on":
                 ipv6only = True
+            else:
+                otherparts.add(nextpart)
 
-        return cls(host, port, ssl, default, ipv6, ipv6only)
+        return cls(host, port, ssl, default, ipv6, ipv6only, otherparts)
 
     def to_string(self, include_default=True):
         """Return string representation of Addr"""
@@ -111,6 +115,12 @@ class Addr(common.Addr):
             parts += ' default_server'
         if self.ssl:
             parts += ' ssl'
+        if self.ipv6only:
+            parts += ' ipv6only=on'
+        if self.otherparts:
+            for word in self.otherparts:
+                parts += ' '
+                parts += word
 
         return parts
 
diff --git a/certbot-nginx/certbot_nginx/tests/obj_test.py b/certbot-nginx/certbot_nginx/tests/obj_test.py
index 9e5853c4a..c3c90592f 100644
--- a/certbot-nginx/certbot_nginx/tests/obj_test.py
+++ b/certbot-nginx/certbot_nginx/tests/obj_test.py
@@ -57,7 +57,7 @@ class AddrTest(unittest.TestCase):
         self.assertEqual(str(self.addr3), "192.168.1.1:80")
         self.assertEqual(str(self.addr4), "*:80 default_server ssl")
         self.assertEqual(str(self.addr5), "myhost")
-        self.assertEqual(str(self.addr6), "80 default_server")
+        self.assertEqual(str(self.addr6), "80 default_server spdy")
         self.assertEqual(str(self.addr8), "*:80 default_server ssl")
 
     def test_to_string(self):
@@ -67,8 +67,8 @@ class AddrTest(unittest.TestCase):
         self.assertEqual(self.addr4.to_string(), "*:80 default_server ssl")
         self.assertEqual(self.addr4.to_string(include_default=False), "*:80 ssl")
         self.assertEqual(self.addr5.to_string(), "myhost")
-        self.assertEqual(self.addr6.to_string(), "80 default_server")
-        self.assertEqual(self.addr6.to_string(include_default=False), "80")
+        self.assertEqual(self.addr6.to_string(), "80 default_server spdy")
+        self.assertEqual(self.addr6.to_string(include_default=False), "80 spdy")
 
     def test_eq(self):
         from certbot_nginx.obj import Addr
@@ -163,7 +163,7 @@ class VirtualHostTest(unittest.TestCase):
         from certbot_nginx.obj import VirtualHost
         vhost1b = VirtualHost(
             "filep",
-            set([Addr.fromstring("localhost blah")]), False, False,
+            set([Addr.fromstring("localhost")]), False, False,
             set(['localhost']), [], [])
 
         self.assertEqual(vhost1b, self.vhost1)