diff --git a/nixops/rpi.nix b/nixops/rpi.nix
index bd2d904..3d8285a 100644
--- a/nixops/rpi.nix
+++ b/nixops/rpi.nix
@@ -53,8 +53,12 @@ in
   documentation.enable = false;
   environment.systemPackages = with pkgs; [
     psmisc wget vim git usbutils lm_sensors file telnet mosh tmux xc3sprog m-labs.openocd screen gdb minicom picocom
+    (import ./fish-nix-shell)
   ];
   programs.fish.enable = true;
+  programs.fish.promptInit = ''
+    fish-nix-shell --info-right | source
+  '';
   programs.wireshark.enable = true;
 
   nix.binaryCachePublicKeys = ["nixbld.m-labs.hk-1:5aSRVA5b320xbNvu30tqxVPXpld73bhtOeH6uAjRyHc="];