diff --git a/lua/avante/sidebar.lua b/lua/avante/sidebar.lua
index 248ff8a..0ee397f 100644
--- a/lua/avante/sidebar.lua
+++ b/lua/avante/sidebar.lua
@@ -3086,7 +3086,7 @@ function Sidebar:get_result_container_height()
 
   return math.max(
     1,
-    api.nvim_win_get_height(self.code.winid)
+    api.nvim_get_option_value("lines", {})
       - selected_files_container_height
       - selected_code_container_height
       - todos_container_height