diff --git a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs
index 15500ee5..f79995c5 100644
--- a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs
+++ b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs
@@ -74,7 +74,7 @@ public partial class ConversationService
         _storage.Append(_conversationId, message);
 
         // Add to thread
-        dialogs.Add(message);
+        dialogs.Add(RoleDialogModel.From(message));
 
         if (!stopCompletion)
         {