diff -up znc-0.075/Csocket.h.openssl znc-0.075/Csocket.h
--- znc-0.075/Csocket.h.openssl	2009-06-30 11:56:01.000000000 +0200
+++ znc-0.075/Csocket.h	2009-08-26 17:29:37.000000000 +0200
@@ -990,7 +990,11 @@ private:
 	CS_STRING			m_sSSLBuffer;
 	SSL 				*m_ssl;
 	SSL_CTX				*m_ssl_ctx;
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+	const SSL_METHOD		*m_ssl_method;
+#else
 	SSL_METHOD			*m_ssl_method;
+#endif
 	unsigned int		m_iRequireClientCertFlags;
 
 	FPCertVerifyCB		m_pCerVerifyCB;