@@ -87,10 +87,14 @@
 	if (mode & CRYPTO_LOCK)
 		of_mutex_lock(&ssl_mutexes[n]);
 	else
 		of_mutex_unlock(&ssl_mutexes[n]);
 }
+
+@interface SSLSocket ()
+- (void)SSL_super_close;
+@end
 
 @implementation SSLSocket
 @synthesize delegate = _delegate, certificateFile = _certificateFile;
 @synthesize privateKeyFile = _privateKeyFile;
 @synthesize privateKeyPassphrase = privateKeyPassphrase;
@@ -442,11 +446,11 @@
 
 - (X509Certificate *)peerCertificate
 {
 	X509 *certificate = SSL_get_peer_certificate(_SSL);
 
-	if (!certificate)
+	if (certificate == NULL)
 		return nil;
 
 	return [[[X509Certificate alloc]
 	    initWithX509Struct: certificate] autorelease];
 }