diff --git a/v8js_class.cc b/v8js_class.cc
index ed5f02f..8b6495a 100644
--- a/v8js_class.cc
+++ b/v8js_class.cc
@@ -1104,7 +1104,7 @@ static void v8js_unset_property(zval *object, zval *member ZEND_HASH_KEY_DC TSRM
 	v8::Local<v8::Object> jsobj = V8JS_GLOBAL(isolate)->Get(object_name_js)->ToObject();
 	
 	/* Delete value from PHP JS object */
-	jsobj->ForceDelete(V8JS_SYML(Z_STRVAL_P(member), Z_STRLEN_P(member)));
+	jsobj->Delete(V8JS_SYML(Z_STRVAL_P(member), Z_STRLEN_P(member)));
 
 	/* Unset from PHP object */
 	std_object_handlers.unset_property(object, member ZEND_HASH_KEY_CC TSRMLS_CC);
diff --git a/v8js_v8object_class.cc b/v8js_v8object_class.cc
index 2fbb5a0..1b8dcb9 100644
--- a/v8js_v8object_class.cc
+++ b/v8js_v8object_class.cc
@@ -210,7 +210,7 @@ static void v8js_v8object_unset_property(zval *object, zval *member ZEND_HASH_KE
 	v8::Local<v8::Value> v8obj = v8::Local<v8::Value>::New(isolate, obj->v8obj);
 
 	if (v8obj->IsObject() && !v8obj->IsFunction()) {
-		v8obj->ToObject()->ForceDelete(V8JS_SYML(Z_STRVAL_P(member), Z_STRLEN_P(member)));
+		v8obj->ToObject()->Delete(V8JS_SYML(Z_STRVAL_P(member), Z_STRLEN_P(member)));
 	}
 }
 /* }}} */