diff --git a/internal/cmdutil/secheader.go b/internal/cmdutil/secheader.go
index f092ae57c..97028109d 100644
--- a/internal/cmdutil/secheader.go
+++ b/internal/cmdutil/secheader.go
@@ -75,7 +75,7 @@ func BaseSecurityHeaders() http.Header {
 	h.Set(HeaderVersion, build.Version)
 	h.Set(HeaderBuild, DetectBuildKind())
 	h.Set(HeaderUserAgent, UserAgentValue())
-	h.Set("x-tt-env", "ppe_lark_cli_sheet")
+	h.Set("x-tt-env", "ppe_moa_canvas")
 	h.Set("x-use-ppe", "1")
 	if v := AgentTraceValue(); v != "" {
 		h.Set(HeaderAgentTrace, v)