diff --git a/lua/smart-splits/config.lua b/lua/smart-splits/config.lua
index e9f9bb6..b8406c7 100644
--- a/lua/smart-splits/config.lua
+++ b/lua/smart-splits/config.lua
@@ -4,6 +4,7 @@ local types = require('smart-splits.types')
 local AtEdgeBehavior = types.AtEdgeBehavior
 local Multiplexer = types.Multiplexer
 local utils = require('smart-splits.utils')
+local mux_utils = require('smart-splits.mux.utils')
 
 ---@class SmartResizeModeHooks
 ---@field on_enter fun()|nil
@@ -82,7 +83,7 @@ function M.set_default_multiplexer()
 
   -- if running in a GUI instead of terminal TUI, disable mux
   -- because you aren't in any terminal, you're in a Neovim GUI
-  if utils.are_we_gui() then
+  if mux_utils.are_we_gui() then
     config.multiplexer_integration = false
     return nil
   end
diff --git a/lua/smart-splits/mux/utils.lua b/lua/smart-splits/mux/utils.lua
new file mode 100644
index 0000000..4a7c970
--- /dev/null
+++ b/lua/smart-splits/mux/utils.lua
@@ -0,0 +1,34 @@
+local M = {}
+
+---Check if Neovim is running in Wezterm TUI
+---@return boolean
+function M.are_we_wezterm()
+  if M.are_we_gui() then
+    return false
+  end
+  local term = vim.trim((vim.env.TERM_PROGRAM or ''):lower())
+  local wezterm_pane = vim.trim(vim.env.WEZTERM_PANE or '')
+  return term == 'wezterm' or wezterm_pane ~= ''
+end
+
+function M.are_we_tmux()
+  if M.are_we_gui() then
+    return false
+  end
+
+  local term = vim.trim((vim.env.TERM_PROGRAM or ''):lower())
+  return term == 'tmux'
+end
+
+---Check if Neovim is running in a GUI (rather than TUI)
+---@return boolean
+function M.are_we_gui()
+  -- if running in a GUI instead of terminal TUI, disable mux
+  -- because you aren't in any terminal, you're in a Neovim GUI
+  local current_ui = vim.tbl_filter(function(ui)
+    return ui.chan == 1
+  end, vim.api.nvim_list_uis())[1]
+  return current_ui ~= nil and not current_ui.stdin_tty and not current_ui.stdout_tty
+end
+
+return M
diff --git a/lua/smart-splits/utils.lua b/lua/smart-splits/utils.lua
index 80ba9f3..cdbc478 100644
--- a/lua/smart-splits/utils.lua
+++ b/lua/smart-splits/utils.lua
@@ -19,26 +19,4 @@ function M.is_floating_window(win_id)
   return win_cfg and (win_cfg.relative ~= '' or not win_cfg.relative)
 end
 
----Check if Neovim is running in Wezterm TUI
----@return boolean
-function M.are_we_wezterm()
-  if M.are_we_gui() then
-    return false
-  end
-  local term = vim.trim((vim.env.TERM_PROGRAM or ''):lower())
-  local wezterm_pane = vim.trim(vim.env.WEZTERM_PANE or '')
-  return term == 'wezterm' or wezterm_pane ~= ''
-end
-
----Check if Neovim is running in a GUI (rather than TUI)
----@return boolean
-function M.are_we_gui()
-  -- if running in a GUI instead of terminal TUI, disable mux
-  -- because you aren't in any terminal, you're in a Neovim GUI
-  local current_ui = vim.tbl_filter(function(ui)
-    return ui.chan == 1
-  end, vim.api.nvim_list_uis())[1]
-  return current_ui ~= nil and not current_ui.stdin_tty and not current_ui.stdout_tty
-end
-
 return M
diff --git a/plugin/smart-splits.vim b/plugin/smart-splits.vim
index 7fbda9d..80e4ccf 100644
--- a/plugin/smart-splits.vim
+++ b/plugin/smart-splits.vim
@@ -61,7 +61,7 @@ function s:format_var(val)
   return printf("\033]1337;SetUserVar=IS_NVIM=%s\007", s:encode_b64(a:val, 0))
 endfunction
 
-let s:are_we_wezterm = luaeval("require('smart-splits.utils').are_we_wezterm()")
+let s:are_we_wezterm = luaeval("require('smart-splits.mux.utils').are_we_wezterm()")
 
 if s:are_we_wezterm
   call s:write(s:format_var("true"))