diff --git a/internal/runtime/executor/codebuddy_executor.go b/internal/runtime/executor/codebuddy_executor.go
index 18719094..6a722014 100644
--- a/internal/runtime/executor/codebuddy_executor.go
+++ b/internal/runtime/executor/codebuddy_executor.go
@@ -108,7 +108,6 @@ func (e *CodeBuddyExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth
 	requestedModel := payloadRequestedModel(opts, req.Model)
 	translated = applyPayloadConfigWithRoot(e.cfg, baseModel, to.String(), "", translated, originalTranslated, requestedModel)
 	translated, _ = sjson.SetBytes(translated, "stream", true)
-	translated, _ = sjson.SetBytes(originalTranslated, "stream", true)
 	translated, _ = sjson.SetBytes(translated, "stream_options.include_usage", true)
 
 	translated, err = thinking.ApplyThinking(translated, req.Model, from.String(), to.String(), e.Identifier())