diff --git a/nvim/init.lua b/nvim/init.lua
index e7b4996..455d225 100644
--- a/nvim/init.lua
+++ b/nvim/init.lua
@@ -31,7 +31,7 @@ vim.opt.list = false
 vim.opt.hlsearch = true
 -- vim.opt.listchars=tab:→\ ,space:·
 vim.opt.undofile = true
-vim.opt.undodir = "$HOME/.local/share/nvim/undo"
+vim.opt.undodir = vim.fn.expand("~/.local/share/nvim/undo")
 vim.opt.foldlevel = 99
 
 vim.opt.ignorecase = true