@@ -992,11 +992,11 @@
 	OFURL *copy = [[OFMutableURL alloc] init];
 
 	@try {
 		copy->_URLEncodedScheme = [_URLEncodedScheme copy];
 		copy->_URLEncodedHost = [_URLEncodedHost copy];
-		copy->_port = _port;
+		copy->_port = [_port copy];
 		copy->_URLEncodedUser = [_URLEncodedUser copy];
 		copy->_URLEncodedPassword = [_URLEncodedPassword copy];
 		copy->_URLEncodedPath = [_URLEncodedPath copy];
 		copy->_URLEncodedQuery = [_URLEncodedQuery copy];
 		copy->_URLEncodedFragment = [_URLEncodedFragment copy];