diff --git a/README.md b/README.md
index 5f44875..df5a8fd 100644
--- a/README.md
+++ b/README.md
@@ -500,6 +500,7 @@ _See [config.lua#L9](./lua/avante/config.lua) for the full config_
     support_paste_from_clipboard = false,
     minimize_diff = true, -- Whether to remove unchanged lines when applying a code block
     enable_token_counting = true, -- Whether to enable token counting. Default to true.
+    auto_add_current_file = true, -- Whether to automatically add the current file when opening a new chat. Default to true.
     auto_approve_tool_permissions = true, -- Default: auto-approve all tools (no prompts)
     -- Examples:
     -- auto_approve_tool_permissions = false,                -- Show permission prompts for all tools
diff --git a/README_zh.md b/README_zh.md
index d646fd9..ffefb0e 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -360,6 +360,7 @@ _请参见 [config.lua#L9](./lua/avante/config.lua) 以获取完整配置_
     support_paste_from_clipboard = false,
     minimize_diff = true, -- 是否在应用代码块时删除未更改的行
     enable_token_counting = true, -- 是否启用令牌计数。默认为 true。
+    auto_add_current_file = true, -- 打开新聊天时是否自动添加当前文件。默认为 true。
     enable_cursor_planning_mode = false, -- 是否启用 Cursor 规划模式。默认为 false。
     enable_claude_text_editor_tool_mode = false, -- 是否启用 Claude 文本编辑器工具模式。
   },
diff --git a/lua/avante/config.lua b/lua/avante/config.lua
index 75c567f..851e932 100644
--- a/lua/avante/config.lua
+++ b/lua/avante/config.lua
@@ -496,6 +496,7 @@ M._defaults = {
   ---7. support_paste_from_clipboard    : Whether to support pasting image from clipboard. This will be determined automatically based whether img-clip is available or not.
   ---8. minimize_diff                   : Whether to remove unchanged lines when applying a code block
   ---9. enable_token_counting           : Whether to enable token counting. Default to true.
+  ---10. auto_add_current_file          : Whether to automatically add the current file when opening a new chat. Default to true.
   behaviour = {
     auto_focus_sidebar = true,
     auto_suggestions = false, -- Experimental stage
@@ -514,6 +515,7 @@ M._defaults = {
     auto_check_diagnostics = true,
     enable_fastapply = false,
     include_generated_by_commit_line = false, -- Controls if 'Generated-by: <provider/model>' line is added to git commit message
+    auto_add_current_file = true, -- Whether to automatically add the current file when opening a new chat
   },
   prompt_logger = { -- logs prompts to disk (timestamped, for replay/debugging)
     enabled = true, -- toggle logging entirely
diff --git a/lua/avante/sidebar.lua b/lua/avante/sidebar.lua
index 7447c32..0983e64 100644
--- a/lua/avante/sidebar.lua
+++ b/lua/avante/sidebar.lua
@@ -1672,15 +1672,18 @@ function Sidebar:initialize()
   local buf_ft = api.nvim_get_option_value("filetype", { buf = self.code.bufnr })
   if vim.list_contains(Config.selector.exclude_auto_select, buf_ft) then return self end
 
-  local buf_path = api.nvim_buf_get_name(self.code.bufnr)
-  -- if the filepath is outside of the current working directory then we want the absolute path
-  local filepath = Utils.file.is_in_project(buf_path) and Utils.relative_path(buf_path) or buf_path
-  Utils.debug("Sidebar:initialize adding buffer to file selector", buf_path)
-
   self.file_selector:reset()
 
-  local stat = vim.uv.fs_stat(filepath)
-  if stat == nil or stat.type == "file" then self.file_selector:add_selected_file(filepath) end
+  -- Only auto-add current file if configured to do so
+  if Config.behaviour.auto_add_current_file then
+    local buf_path = api.nvim_buf_get_name(self.code.bufnr)
+    -- if the filepath is outside of the current working directory then we want the absolute path
+    local filepath = Utils.file.is_in_project(buf_path) and Utils.relative_path(buf_path) or buf_path
+    Utils.debug("Sidebar:initialize adding buffer to file selector", buf_path)
+
+    local stat = vim.uv.fs_stat(filepath)
+    if stat == nil or stat.type == "file" then self.file_selector:add_selected_file(filepath) end
+  end
 
   self:reload_chat_history()