diff --git a/home/alacritty.nix b/home/alacritty.nix
index 94e4bf7..f2fe141 100644
--- a/home/alacritty.nix
+++ b/home/alacritty.nix
@@ -1,4 +1,4 @@
-{pkgs, ...}: {
+{pkgs, lib, ...}: {
   programs.alacritty = {
     enable = true;
     settings = {
@@ -8,7 +8,7 @@
       };
       terminal.shell = {
         args = ["new-session" "-A" "-s" "general"];
-        program = pkgs.tmux + "/bin/tmux";
+        program = lib.getExe pkgs.tmux;
       };
       window = {
         decorations = "None";
diff --git a/home/tmux/default.nix b/home/tmux/default.nix
index 23bab1c..728cd8b 100644
--- a/home/tmux/default.nix
+++ b/home/tmux/default.nix
@@ -1,4 +1,4 @@
-{pkgs, ...}: let
+{pkgs, lib, ...}: let
   wanikani-current-reviews-script = builtins.path {path = ./wanikani-current-reviews.sh;};
   wanikani-level-script = builtins.path {path = ./wanikani-level.sh;};
   wanikani-progression-script = builtins.path {path = ./wanikani-progression.sh;};
@@ -32,7 +32,7 @@ in {
     baseIndex = 1;
     shortcut = "s";
     mouse = true;
-    shell = "${pkgs.fish}/bin/fish";
+    shell = lib.getExe pkgs.fish;
     plugins = with pkgs; [
       tmuxPlugins.sensible
       tmuxPlugins.better-mouse-mode