diff --git a/users/phil/nixos.nix b/users/phil/nixos.nix
index 1ea512c..5fcf8e6 100644
--- a/users/phil/nixos.nix
+++ b/users/phil/nixos.nix
@@ -15,4 +15,22 @@
 
     shell = pkgs.fish;
   };
+
+  programs.bash = {
+    interactiveShellInit = ''
+      if [[ $(${pkgs.procps}/bin/ps --no-header --pid=$PPID --format=comm) != "fish" && -z ''${BASH_EXECUTION_STRING} ]]
+      then
+        shopt -q login_shell && LOGIN_OPTION='--login' || LOGIN_OPTION=""
+        exec ${pkgs.fish}/bin/fish $LOGIN_OPTION
+      fi
+    '';
+  };
+
+  programs.fish = {
+      enable = true;
+      shellAbbrs = {
+          ls = "eza";
+      };
+      interactiveShellInit = '''';
+  };
 }