{
php_http_encoding_stream_object_t *o;
- o = ecalloc(1, sizeof(*o) + (ce->default_properties_count - 1) * sizeof(zval));
+ o = ecalloc(1, sizeof(*o) + zend_object_properties_size(ce));
zend_object_std_init(&o->zo, ce);
object_properties_init(&o->zo, ce);