diff --git a/packages/coding-agent/src/core/extensions/runner.ts b/packages/coding-agent/src/core/extensions/runner.ts
index 84a15caa..637e902e 100644
--- a/packages/coding-agent/src/core/extensions/runner.ts
+++ b/packages/coding-agent/src/core/extensions/runner.ts
@@ -60,6 +60,7 @@ const RESERVED_ACTIONS_FOR_EXTENSION_CONFLICTS: ReadonlyArray<KeyAction> = [
 	"submit",
 	"selectConfirm",
 	"selectCancel",
+	"copy",
 	"deleteToLineEnd",
 ];