diff --git a/pkgs/tools/package-management/comma/default.nix b/pkgs/tools/package-management/comma/default.nix
index 5314285061e7..a9885fc13518 100644
--- a/pkgs/tools/package-management/comma/default.nix
+++ b/pkgs/tools/package-management/comma/default.nix
@@ -1,11 +1,12 @@
-{ lib
-, rustPlatform
+{ comma
 , fetchFromGitHub
-, nix
 , fzy
+, lib
 , makeWrapper
+, nix
+, nix-index
+, rustPlatform
 , testVersion
-, comma
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -25,7 +26,7 @@ rustPlatform.buildRustPackage rec {
 
   postInstall = ''
     wrapProgram $out/bin/comma \
-      --prefix PATH : ${lib.makeBinPath [ nix fzy ]}
+      --prefix PATH : ${lib.makeBinPath [ nix fzy nix-index ]}
     ln -s $out/bin/comma $out/bin/,
   '';