diff --git a/Arrowgene.Ddon.Rpc/Command/RpcCommandResult.cs b/Arrowgene.Ddon.Rpc/Command/RpcCommandResult.cs
index 351db05d8..f55b18ad7 100644
--- a/Arrowgene.Ddon.Rpc/Command/RpcCommandResult.cs
+++ b/Arrowgene.Ddon.Rpc/Command/RpcCommandResult.cs
@@ -1,4 +1,4 @@
-namespace Arrowgene.Ddon.Rpc.Command
+namespace Arrowgene.Ddon.Rpc.Command
 {
     public class RpcCommandResult
     {
@@ -6,6 +6,7 @@ public RpcCommandResult(IRpcCommand command, bool success)
         {
             Command = command;
             Success = success;
+            Message = string.Empty;
         }
 
         public IRpcCommand Command { get; }