diff --git a/config.nix b/config.nix
index 82a1f44..6cd81b4 100644
--- a/config.nix
+++ b/config.nix
@@ -49,6 +49,13 @@ let
       programs.tmux.enableMouse = true;
       programs.tmux.enableVim = true;
 
+      programs.tmux.tmuxConfig = ''
+        bind 0 set status
+
+        set -g status-bg black
+        set -g status-fg white
+      '';
+
       environment.variables.EDITOR = "vim";
       environment.variables.HOMEBREW_CASK_OPTS = "--appdir=/Applications/cask";
 
@@ -60,16 +67,6 @@ let
       environment.shellAliases.g = "git log --graph --oneline";
       environment.shellAliases.gd = "git diff --minimal -p";
 
-      environment.etc."tmux.conf".text = ''
-        ${config.programs.tmux.config}
-        bind 0 set status
-
-        set -g status-bg black
-        set -g status-fg white
-
-        source-file $HOME/.tmux.conf.local
-      '';
-
       environment.etc."zprofile".text = ''
         # /etc/zprofile: DO NOT EDIT -- this file has been generated automatically.
         # This file is read for login shells.
diff --git a/modules/programs/.tmux.nix.swp b/modules/programs/.tmux.nix.swp
new file mode 100644
index 0000000..12b196f
Binary files /dev/null and b/modules/programs/.tmux.nix.swp differ
diff --git a/modules/programs/tmux.nix b/modules/programs/tmux.nix
index 18967d2..ea17d3d 100644
--- a/modules/programs/tmux.nix
+++ b/modules/programs/tmux.nix
@@ -8,8 +8,12 @@ let
 
   cfg = config.programs.tmux;
 
-  tmuxConfigs =
-    mapAttrsToList (n: v: "${v}") cfg.text;
+  text = import ../system/write-text.nix {
+    inherit lib;
+    mkTextDerivation = name: text: pkgs.writeText "tmux-options-${name}" text;
+  };
+
+  tmuxOptions = concatMapStringsSep "\n" (attr: attr.text) (attrValues cfg.tmuxOptions);
 
 in {
   options = {
@@ -49,16 +53,14 @@ in {
       '';
     };
 
-    programs.tmux.config = mkOption {
+    programs.tmux.tmuxConfig = mkOption {
       type = types.lines;
-      description = ''
-        Configuration options.
-      '';
+      default = "";
     };
 
-    programs.tmux.text = mkOption {
+    programs.tmux.tmuxOptions = mkOption {
       internal = true;
-      type = types.attrsOf types.lines;
+      type = types.attrsOf (types.submodule text);
       default = {};
     };
 
@@ -66,15 +68,13 @@ in {
 
   config = {
 
-    programs.tmux.config = concatStringsSep "\n" tmuxConfigs;
-
-    programs.tmux.text.login-shell = if stdenv.isDarwin then ''
+    programs.tmux.tmuxOptions.login-shell.text = if stdenv.isDarwin then ''
       set -g default-command "reattach-to-user-namespace ${cfg.loginShell}"
     '' else ''
       set -g default-command "${cfg.loginShell}"
     '';
 
-    programs.tmux.text.sensible = mkIf cfg.enableSensible (''
+    programs.tmux.tmuxOptions.sensible.text = mkIf cfg.enableSensible (''
       set -g default-terminal "screen-256color"
       setw -g aggressive-resize on
 
@@ -96,13 +96,13 @@ in {
       # set -g utf8 on
     '');
 
-    programs.tmux.text.mouse = mkIf cfg.enableMouse ''
+    programs.tmux.tmuxOptions.mouse.text = mkIf cfg.enableMouse ''
       set -g mouse on
       setw -g mouse on
       set -g terminal-overrides 'xterm*:smcup@:rmcup@'
     '';
 
-    programs.tmux.text.vim = mkIf cfg.enableVim (''
+    programs.tmux.tmuxOptions.vim.text = mkIf cfg.enableVim (''
       setw -g mode-keys vi
 
       bind h select-pane -L
@@ -119,5 +119,13 @@ in {
       bind -t vi-copy y copy-pipe "reattach-to-user-namespace pbcopy"
     '');
 
+    environment.etc."tmux.conf".text = ''
+      ${tmuxOptions}
+
+      ${cfg.tmuxConfig}
+
+      source-file -q /etc/tmux.conf.local
+    '';
+
   };
 }