differentiated the two functions.  Updated docs, and tests
diff --git a/OpenSSL/SSL.py b/OpenSSL/SSL.py
index aaaea87..85cf976 100644
--- a/OpenSSL/SSL.py
+++ b/OpenSSL/SSL.py
@@ -1883,16 +1883,16 @@
             return version.decode("utf-8")
 
 
-    def get_protocol_version(self):
+    def get_protocol_version_name(self):
         """
         Obtain the protocol version of the current connection.
 
         :returns: The TLS version of the current connection, for example
-            the value for TLS 1.2 would be ``TLSv1.2``.
+            the value for TLS 1.2 would be ``b'TLSv1.2'``.
         :rtype: :py:class:`unicode`
         """
-        version = _ffi.string(_lib.SSL_get_version(self._ssl))
-        return version.decode("utf-8")
+        version = _lib.SSL_get_version(self._ssl)
+        return version
 
 
     @_requires_npn
diff --git a/OpenSSL/test/test_ssl.py b/OpenSSL/test/test_ssl.py
index e118c15..01a76c1 100644
--- a/OpenSSL/test/test_ssl.py
+++ b/OpenSSL/test/test_ssl.py
@@ -2745,17 +2745,32 @@
         self.assertEqual(server_cipher_bits, client_cipher_bits)
 
 
+    def test_get_protocol_version_name(self):
+        """
+        :py:obj:`Connection.get_protocol_version_name()` returns a string
+        giving the protocol version of the current connection.
+        """
+        server, client = self._loopback()
+        client_protocol_version_name = client.get_protocol_version_name()
+        server_protocol_version_name = server.get_protocol_version_name()
+
+        self.assertIsInstance(server_protocol_version_name, bytes)
+        self.assertIsInstance(client_protocol_version_name, bytes)
+
+        self.assertEqual(server_protocol_version_name, client_protocol_version_name)
+
+
     def test_get_protocol_version(self):
         """
-        :py:obj:`Connection.get_protocol_version()` returns a string
+        :py:obj:`Connection.get_protocol_version()` returns an integer 
         giving the protocol version of the current connection.
         """
         server, client = self._loopback()
         client_protocol_version = client.get_protocol_version()
         server_protocol_version = server.get_protocol_version()
 
-        self.assertIsInstance(server_protocol_version, text_type)
-        self.assertIsInstance(client_protocol_version, text_type)
+        self.assertIsInstance(server_protocol_version, int)
+        self.assertIsInstance(client_protocol_version, int)
 
         self.assertEqual(server_protocol_version, client_protocol_version)