It seems to have been forgotten in #142758.
@ -544,6 +544,7 @@
./services/misc/gollum.nix
./services/misc/gpsd.nix
./services/misc/headphones.nix
./services/misc/heisenbridge.nix
./services/misc/greenclip.nix
./services/misc/home-assistant.nix
./services/misc/ihaskell.nix