diff --git a/hwe/sammo/Message.php b/hwe/sammo/Message.php
index 591aea8d..ea2db1c0 100644
--- a/hwe/sammo/Message.php
+++ b/hwe/sammo/Message.php
@@ -377,14 +377,17 @@ class Message
     }
 
     /**
-     * @param int[]|MessageTarget[]|int $targets
+     * @param int[]|MessageTarget[]|int|MessageTarget $targets
      * @param string $msg
      */
-    public static function sendPrivateMsgAsNotice(array|int $targets, string $msg): void{
+    public static function sendPrivateMsgAsNotice(array|int|MessageTarget $targets, string $msg): void{
         $src = new MessageTarget(0, '', 0, 'System', '#000000');
         if(is_int($targets)){
             $targets = [$targets];
         }
+        else if($targets instanceof MessageTarget){
+            $targets = [$targets];
+        }
 
         $reqTargetGeneralIDList = [];
         $objTargets = [];