diff --git a/src/Infrastructure/BotSharp.Core/Infrastructures/CompletionProvider.cs b/src/Infrastructure/BotSharp.Core/Infrastructures/CompletionProvider.cs
index f399c50e..60677742 100644
--- a/src/Infrastructure/BotSharp.Core/Infrastructures/CompletionProvider.cs
+++ b/src/Infrastructure/BotSharp.Core/Infrastructures/CompletionProvider.cs
@@ -172,7 +172,7 @@ public class CompletionProvider
         string? model = null,
         string? modelId = null,
         bool? multiModal = null,
-        bool? realTime = null,
+        bool realTime = false,
         bool imageGenerate = false,
         AgentLlmConfig? agentConfig = null)
     {