diff --git a/src/Infrastructure/BotSharp.OpenAPI/Controllers/InstructModeController.cs b/src/Infrastructure/BotSharp.OpenAPI/Controllers/InstructModeController.cs
index d7f85932..c2199cb8 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/Controllers/InstructModeController.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/Controllers/InstructModeController.cs
@@ -1,3 +1,4 @@
+using BotSharp.Abstraction.Agents.Models;
 using BotSharp.Abstraction.Instructs;
 using BotSharp.Abstraction.Instructs.Models;
 using BotSharp.Core.Infrastructures;