diff --git a/certbot/plugins/standalone.py b/certbot/plugins/standalone.py
index a3bb1d8f0..8e1cb72a4 100644
--- a/certbot/plugins/standalone.py
+++ b/certbot/plugins/standalone.py
@@ -120,6 +120,14 @@ def supported_challenges_validator(data):
 
     """
     challs = data.split(",")
+
+    # tls-sni-01 was dvsni during private beta
+    if "dvsni" in challs:
+        logger.info("Updating legacy standalone_supported_challenges value")
+        challs = [challenges.TLSSNI01.typ if chall == "dvsni" else chall
+                  for chall in challs]
+        data = ",".join(challs)
+
     unrecognized = [name for name in challs
                     if name not in challenges.Challenge.TYPES]
     if unrecognized:
diff --git a/certbot/plugins/standalone_test.py b/certbot/plugins/standalone_test.py
index 9f5b14591..eb6631732 100644
--- a/certbot/plugins/standalone_test.py
+++ b/certbot/plugins/standalone_test.py
@@ -85,6 +85,11 @@ class SupportedChallengesValidatorTest(unittest.TestCase):
     def test_not_subset(self):
         self.assertRaises(argparse.ArgumentTypeError, self._call, "dns")
 
+    def test_dvsni(self):
+        self.assertEqual("tls-sni-01", self._call("dvsni"))
+        self.assertEqual("http-01,tls-sni-01", self._call("http-01,dvsni"))
+        self.assertEqual("tls-sni-01,http-01", self._call("dvsni,http-01"))
+
 
 class AuthenticatorTest(unittest.TestCase):
     """Tests for certbot.plugins.standalone.Authenticator."""