diff --git a/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs b/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs
index ca58623a..bc2dd366 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs
@@ -675,7 +675,7 @@ public partial class CoreConfigV2rayService
 
             if (!_node.Finalmask.IsNullOrEmpty())
             {
-                streamSettings.finalmask = JsonUtils.Deserialize<object>(_node.Finalmask);
+                streamSettings.finalmask = JsonUtils.ParseJson(_node.Finalmask);
             }
         }
         catch (Exception ex)