diff --git a/netlib/tcp.py b/netlib/tcp.py
index c5bb7c4ba..9c92ce38f 100644
--- a/netlib/tcp.py
+++ b/netlib/tcp.py
@@ -17,7 +17,10 @@ OP_DONT_INSERT_EMPTY_FRAGMENTS = SSL.OP_DONT_INSERT_EMPTY_FRAGMENTS
 OP_EPHEMERAL_RSA = SSL.OP_EPHEMERAL_RSA
 OP_MICROSOFT_BIG_SSLV3_BUFFER = SSL.OP_MICROSOFT_BIG_SSLV3_BUFFER
 OP_MICROSOFT_SESS_ID_BUG = SSL.OP_MICROSOFT_SESS_ID_BUG
-OP_MSIE_SSLV2_RSA_PADDING = SSL.OP_MSIE_SSLV2_RSA_PADDING
+try:
+    OP_MSIE_SSLV2_RSA_PADDING = SSL.OP_MSIE_SSLV2_RSA_PADDING
+except AttributeError:
+    pass
 OP_NETSCAPE_CA_DN_BUG = SSL.OP_NETSCAPE_CA_DN_BUG
 OP_NETSCAPE_CHALLENGE_BUG = SSL.OP_NETSCAPE_CHALLENGE_BUG
 OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG = SSL.OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG