diff --git a/.github/workflows/manual-nixos-v2.yml b/.github/workflows/manual-nixos-v2.yml
index 653a5a92fbfd..640cb605433c 100644
--- a/.github/workflows/manual-nixos-v2.yml
+++ b/.github/workflows/manual-nixos-v2.yml
@@ -7,6 +7,7 @@ on:
   pull_request_target:
     branches:
       - master
+      - release-*
     paths:
       - "nixos/**"
       # Also build when the nixpkgs doc changed, since we take things like
@@ -52,7 +53,7 @@ jobs:
 
       - name: Build NixOS manual
         id: build-manual
-        run: NIX_PATH=nixpkgs=$(pwd)/untrusted nix-build --option restrict-eval true untrusted/ci -A manual-nixos --argstr system ${{ matrix.system }}
+        run: nix-build untrusted/ci -A manual-nixos --argstr system ${{ matrix.system }}
 
       - name: Upload NixOS manual
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2