diff --git a/src/Infrastructure/BotSharp.Abstraction/Conversations/ConversationHookBase.cs b/src/Infrastructure/BotSharp.Abstraction/Conversations/ConversationHookBase.cs
index 0f115d5d..a84c8693 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Conversations/ConversationHookBase.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Conversations/ConversationHookBase.cs
@@ -79,6 +79,6 @@ public abstract class ConversationHookBase : IConversationHook
     public virtual Task OnNotificationGenerated(RoleDialogModel message)
         => Task.CompletedTask;
 
-    public Task OnUserDisconnected(Conversation conversation)
+    public virtual Task OnUserDisconnected(Conversation conversation)
         => Task.CompletedTask;
 }