diff --git a/lua/avante/llm_tools/replace_in_file.lua b/lua/avante/llm_tools/replace_in_file.lua
index 9ea7c71..546c47d 100644
--- a/lua/avante/llm_tools/replace_in_file.lua
+++ b/lua/avante/llm_tools/replace_in_file.lua
@@ -737,7 +737,7 @@ function M.func(opts, on_log, on_complete, session_ctx)
     end
     local parent_dir = vim.fn.fnamemodify(abs_path, ":h")
     --- check if the parent dir is exists, if not, create it
-    if not vim.fn.isdirectory(parent_dir) then vim.fn.mkdir(parent_dir, "p") end
+    if vim.fn.isdirectory(parent_dir) == 0 then vim.fn.mkdir(parent_dir, "p") end
     vim.api.nvim_buf_call(bufnr, function() vim.cmd("noautocmd write") end)
     if session_ctx then Helpers.mark_as_not_viewed(opts.path, session_ctx) end
     on_complete(true, nil)