diff --git a/modules/beatific.nix b/modules/beatific.nix
index c49e5b5..38da2d6 100644
--- a/modules/beatific.nix
+++ b/modules/beatific.nix
@@ -61,6 +61,7 @@ in {
         # Set some user-friendly defaults (use e.g. "command cp" to skip the alias)
         # -r (recursively copy dirs) -p (preserve mode, ownership, timestamps)
         cp = "cp -rp";
+        xo = "xdg-open";
       };
       security.sudo.extraRules = [{
         users = [ "tvb" ];