diff --git a/Lib/ssl.py b/Lib/ssl.py
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -707,7 +707,8 @@
     d = pem_cert_string.strip()[len(PEM_HEADER):-len(PEM_FOOTER)]
     return base64.decodebytes(d.encode('ASCII', 'strict'))
 
-def get_server_certificate(addr, ssl_version=PROTOCOL_SSLv3, ca_certs=None):
+def get_server_certificate(addr, ssl_version=PROTOCOL_SSLv3, ca_certs=None,
+                           **kwargs):
     """Retrieve the certificate from the server at the specified address,
     and return it as a PEM-encoded string.
     If 'ca_certs' is specified, validate the server cert against it.
@@ -719,8 +720,8 @@
     else:
         cert_reqs = CERT_NONE
     s = create_connection(addr)
-    s = wrap_socket(s, ssl_version=ssl_version,
-                    cert_reqs=cert_reqs, ca_certs=ca_certs)
+    s = SSLSocket(s, ssl_version=ssl_version,
+                    cert_reqs=cert_reqs, ca_certs=ca_certs, **kwargs)
     dercert = s.getpeercert(True)
     s.close()
     return DER_cert_to_PEM_cert(dercert)