diff --git a/Zend/zend_attributes.c b/Zend/zend_attributes.c
index 9f7b8f01448..433586f55f0 100644
--- a/Zend/zend_attributes.c
+++ b/Zend/zend_attributes.c
@@ -109,7 +109,7 @@ ZEND_METHOD(SensitiveParameterValue, __construct)
 		Z_PARAM_ZVAL(value)
 	ZEND_PARSE_PARAMETERS_END();
 
-	ZVAL_COPY(OBJ_PROP_NUM(Z_OBJ_P(ZEND_THIS), 0), value);
+	zend_update_property(zend_ce_sensitive_parameter_value, Z_OBJ_P(ZEND_THIS), "value", strlen("value"), value);
 }
 
 ZEND_METHOD(SensitiveParameterValue, getValue)