Use the internal name
diff --git a/OpenSSL/SSL.py b/OpenSSL/SSL.py
index e80ea3c..62ce6c1 100644
--- a/OpenSSL/SSL.py
+++ b/OpenSSL/SSL.py
@@ -127,7 +127,7 @@
 NID_X9_62_prime239v3 = _lib.NID_X9_62_prime239v3
 NID_X9_62_prime256v1 = _lib.NID_X9_62_prime256v1
 
-OPENSSL_NO_EC = not _lib.Cryptography_HAS_EC
+_Cryptography_HAS_EC = _lib.Cryptography_HAS_EC
 
 
 class Error(Exception):