diff --git a/OpenSSL/test/test_ssl.py b/OpenSSL/test/test_ssl.py
index 1f231c9..7605dc0 100644
--- a/OpenSSL/test/test_ssl.py
+++ b/OpenSSL/test/test_ssl.py
@@ -2745,6 +2745,20 @@
         self.assertEqual(server_cipher_bits, client_cipher_bits)
 
 
+    def test_get_protocol_version(self):
+        """
+        :py:obj:`Connection.get_protocol_version` returns a :py:class:`int`
+        giving the protocol version of the current connection.
+        """
+        server, client = self._loopback()
+        server_protocol_version, client_protocol_version = \
+            server.get_protocol_version(), client.get_protocol_version()
+
+        self.assertIsInstance(server_protocol_version, int)
+        self.assertIsInstance(client_protocol_version, int)
+
+        self.assertEqual(server_protocol_version, client_protocol_version)
+
 
 class ConnectionGetCipherListTests(TestCase):
     """