diff --git a/README.md b/README.md
index ff4ca0b..2b0adac 100644
--- a/README.md
+++ b/README.md
@@ -165,7 +165,11 @@ The mappings that are listed in the `setup` call above are the default bindings.
 * `<C-o>` = `tab drop` (`<A-o>` is also suggested)
 * `<A-u>` = resize the floating window
 
+### Notes
+* Until a custom filetype can be set, a global variable `vim.g.inside_lf` is used to indicate that the file manager is running
+
 ### TODO
+- [ ] Set custom filetype (filetype inheritance?)
 - [ ] `:LfToggle` command
 - [ ] Save previous size when terminal is closed, so it is restored on open
 - [ ] Set Lualine to `Lf` title
diff --git a/lua/lf.lua b/lua/lf.lua
index cce9b4b..e0f8989 100644
--- a/lua/lf.lua
+++ b/lua/lf.lua
@@ -1,6 +1,9 @@
 local M = {}
 local loaded = false
 
+-- Global variable that acts as a 'filetype' sort of deal, until a custom filetype can be set
+vim.g.inside_lf = false
+
 local utils = require("lf.utils")
 
 local function has_feature(cfg)
diff --git a/lua/lf/main.lua b/lua/lf/main.lua
index dba7844..9eb9189 100644
--- a/lua/lf/main.lua
+++ b/lua/lf/main.lua
@@ -222,8 +222,12 @@ end
 ---@param term Terminal
 function Lf:__on_open(term)
     self.bufnr = api.nvim_get_current_buf()
+    -- TODO: Find a way to set custom filetype
     -- api.nvim_buf_set_option(self.bufnr, "filetype", "lf_term")
 
+    -- For now, use a global variable that can act as a filetype
+    vim.g.inside_lf = true
+
     if self.cfg.tmux then
         utils.tmux(true)
     end
@@ -319,6 +323,8 @@ function Lf:__callback(term)
         utils.tmux(false)
     end
 
+    vim.g.inside_lf = false
+
     if (self.cfg.default_action == "cd" or self.cfg.default_action == "lcd") and uv.fs_stat(self.lastdir_tmpfile) then
         -- Since plenary is already being used, this is used instead of `io`
         local last_dir =