diff --git a/nixos/git/home.nix b/nixos/git/home.nix
index d0f7fcab..b5ac358f 100644
--- a/nixos/git/home.nix
+++ b/nixos/git/home.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }: {
+{ config, pkgs, inputs, ... }: {
   programs.git = {
     enable = true;
     lfs.enable = true;
@@ -15,7 +15,9 @@
       colour.ui = true;
       credential = { helper = "cache"; };
       diff.algorithm = "histogram";
-      diff.external = "${pkgs.difftastic}/bin/difftastic $LOCAL $REMOTE";
+      diff.external = "${
+          inputs.nixpkgs-nixos-unstable.legacyPackages."x86_64-linux".difftastic
+        }/bin/difft $LOCAL $REMOTE";
       diff.renameLimit = 2048;
       diff.renames = "copy";
       help.autocorrect = 1;