diff --git a/lua/custom/plugins/nvim-tree.lua b/lua/custom/plugins/nvim-tree.lua
index f37c9de2..c72c01e7 100644
--- a/lua/custom/plugins/nvim-tree.lua
+++ b/lua/custom/plugins/nvim-tree.lua
@@ -1,3 +1,4 @@
+vim.keymap.set('n', '<leader>o', vim.cmd.NvimTreeOpen, { desc = '[Open] file tree' })
 return {
   'nvim-tree/nvim-tree.lua',
   version = '*',