diff --git a/lua/avante/suggestion.lua b/lua/avante/suggestion.lua
index a136523..4a3834f 100644
--- a/lua/avante/suggestion.lua
+++ b/lua/avante/suggestion.lua
@@ -166,8 +166,10 @@ function Suggestion:suggest()
 
   local bufnr = api.nvim_get_current_buf()
   local filetype = api.nvim_get_option_value("filetype", { buf = bufnr })
-  local code_content =
-    Utils.prepend_line_number(table.concat(api.nvim_buf_get_lines(bufnr, 0, -1, false), "\n") .. "\n\n")
+  local lines = api.nvim_buf_get_lines(bufnr, 0, -1, false)
+  table.insert(lines, "")
+  table.insert(lines, "")
+  local code_content = table.concat(Utils.prepend_line_numbers(lines), "\n")
 
   local full_response = ""
 
diff --git a/lua/avante/utils/init.lua b/lua/avante/utils/init.lua
index d85fa12..8752ac4 100644
--- a/lua/avante/utils/init.lua
+++ b/lua/avante/utils/init.lua
@@ -718,15 +718,13 @@ function M.get_doc()
   return doc
 end
 
-function M.prepend_line_number(content, start_line)
+---Prepends line numbers to each line in a list of strings.
+---@param lines string[] The lines of content to prepend line numbers to.
+---@param start_line? integer The starting line number. Defaults to 1.
+---@return string[] A new list of strings with line numbers prepended.
+function M.prepend_line_numbers(lines, start_line)
   start_line = start_line or 1
-  local lines = vim.split(content, "\n")
-  local result = {}
-  for i, line in ipairs(lines) do
-    i = i + start_line - 1
-    table.insert(result, "L" .. i .. ": " .. line)
-  end
-  return table.concat(result, "\n")
+  return vim.iter(lines):map(function(line, i) return string.format("L%d: %s", i + start_line, line) end):totable()
 end
 
 ---Iterates through a list of strings and removes prefixes in form of "L<number>: " from them