diff --git a/pkgs/by-name/ni/niri/package.nix b/pkgs/by-name/ni/niri/package.nix
index 7d0b43ea2fff..91ee8455fb1c 100644
--- a/pkgs/by-name/ni/niri/package.nix
+++ b/pkgs/by-name/ni/niri/package.nix
@@ -101,6 +101,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
     installShellCompletion --cmd $pname \
       --bash <($out/bin/niri completions bash) \
       --fish <($out/bin/niri completions fish) \
+      --nushell <($out/bin/niri completions nushell) \
       --zsh <($out/bin/niri completions zsh)
   '';