From 53d070349b3bf9ea7384684009481c705d8f4e02 Mon Sep 17 00:00:00 2001
From: Wangchong Zhou <wangchong@konghq.com>
Date: Tue, 21 Jan 2025 19:41:14 +0800
Subject: [PATCH] fix(llm): fix gzip handling when using multiple AI plugins

---
 kong/llm/plugin/shared-filters/normalize-response-header.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kong/llm/plugin/shared-filters/normalize-response-header.lua b/kong/llm/plugin/shared-filters/normalize-response-header.lua
index 3ab240a1527..3420f5328c5 100644
--- a/kong/llm/plugin/shared-filters/normalize-response-header.lua
+++ b/kong/llm/plugin/shared-filters/normalize-response-header.lua
@@ -32,7 +32,7 @@ function _M:run(_)
     else
       kong.response.clear_header("Content-Encoding")
     end
-  else
+  elseif not get_global_ctx("response_body_sent") then
     kong.response.clear_header("Content-Encoding")
   end
   return true