diff --git a/v2rayN/ServiceLib/Handler/CoreHandler.cs b/v2rayN/ServiceLib/Handler/CoreHandler.cs
index f0c23c69..a0e20d07 100644
--- a/v2rayN/ServiceLib/Handler/CoreHandler.cs
+++ b/v2rayN/ServiceLib/Handler/CoreHandler.cs
@@ -25,6 +25,8 @@ public class CoreHandler
         Environment.SetEnvironmentVariable(Global.V2RayLocalAsset, Utils.GetBinPath(""), EnvironmentVariableTarget.Process);
         Environment.SetEnvironmentVariable(Global.XrayLocalAsset, Utils.GetBinPath(""), EnvironmentVariableTarget.Process);
         Environment.SetEnvironmentVariable(Global.XrayLocalCert, Utils.GetBinPath(""), EnvironmentVariableTarget.Process);
+        // TODO Temporary addition to support proper use of sing-box v1.12
+        Environment.SetEnvironmentVariable("ENABLE_DEPRECATED_SPECIAL_OUTBOUNDS", "true", EnvironmentVariableTarget.Process);
 
         //Copy the bin folder to the storage location (for init)
         if (Environment.GetEnvironmentVariable(Global.LocalAppData) == "1")