diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/TemplateMessage.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/TemplateMessage.cs
index 21b8d339..77b4a55f 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/TemplateMessage.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/TemplateMessage.cs
@@ -6,6 +6,6 @@ namespace BotSharp.Abstraction.Messaging.Models.RichContent.Template
 {
     public class TemplateMessage<T>
     {
-        public AttachmentTemplate<T> Attachment { get; set; }
+        public T Attachment { get; set; }
     }
 }