diff --git a/ssl/ssl.h b/ssl/ssl.h
index 1c12ddd71..dece04de0 100644
--- a/ssl/ssl.h
+++ b/ssl/ssl.h
@@ -560,6 +560,9 @@ struct ssl_session_st
 #define SSL_OP_TLS_D5_BUG				0x00000100L
 #define SSL_OP_TLS_BLOCK_PADDING_BUG			0x00000200L
 
+/* Hasn't done anything since OpenSSL 0.9.7h, retained for compatibility */
+#define SSL_OP_MSIE_SSLV2_RSA_PADDING			0x0
+
 /* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
  * in OpenSSL 0.9.6d.  Usually (depending on the application protocol)
  * the workaround is not needed.  Unfortunately some broken SSL/TLS