diff --git a/‎ext/date/time_duration.c‎
Lines changed: 1 addition & 2 deletions b/‎ext/date/time_duration.c‎
Lines changed: 1 addition & 2 deletions
@@ -142,8 +142,7 @@ ZEND_ATTRIBUTE_NODISCARD static zend_result create_duration(zval *target, zend_u
 	if (DATEG(duration_cache)) {
 		zend_object_release(DATEG(duration_cache));
 	}
-	GC_ADDREF(&obj->std);
-	DATEG(duration_cache) = &obj->std;
+	DATEG(duration_cache) = zend_object_copy(&obj->std);
 
 	return SUCCESS;
 }
Original file line number	Diff line number	Diff line change
`@@ -142,8 +142,7 @@ ZEND_ATTRIBUTE_NODISCARD static zend_result create_duration(zval *target, zend_u`
`142`	`142`	`if (DATEG(duration_cache)) {`
`143`	`143`	`zend_object_release(DATEG(duration_cache));`
`144`	`144`	`}`
`145`		`- GC_ADDREF(&obj->std);`
`146`		`- DATEG(duration_cache) = &obj->std;`
	`145`	`+ DATEG(duration_cache) = zend_object_copy(&obj->std);`
`147`	`146`
`148`	`147`	`return SUCCESS;`
`149`	`148`	`}`