diff --git a/nix/macOS/flake.nix b/nix/macOS/flake.nix
index b716482e..1ef74f83 100644
--- a/nix/macOS/flake.nix
+++ b/nix/macOS/flake.nix
@@ -34,6 +34,7 @@
       users.users.trude = {
         name = "trude";
         home = "/Users/trude";
+        shell = pkgs.bash;
       };
       home-manager = {
         extraSpecialArgs = {inherit inputs;};