diff --git a/modules/devos/nix.nix b/modules/devos/nix.nix
index cba43ba..972a511 100644
--- a/modules/devos/nix.nix
+++ b/modules/devos/nix.nix
@@ -55,6 +55,7 @@ with lib;
       nixfmt
       nixpkgs-fmt
       nix-du
+      comma
 
       (writeScriptBin "wherenix" ''
         #!/usr/bin/env bash