diff --git a/.github/workflows/nix-pr-check.yml b/.github/workflows/nix-pr-check.yml
index 56cc8324..9ec144ce 100644
--- a/.github/workflows/nix-pr-check.yml
+++ b/.github/workflows/nix-pr-check.yml
@@ -10,21 +10,14 @@ jobs:
   check-flake:
     runs-on: ubuntu-latest
     steps:
-      - name: Create GitHub App token
-        id: app_token
-        uses: actions/create-github-app-token@v1
-        with:
-          app-id: ${{ secrets.APP_ID }}
-          private-key: ${{ secrets.APP_PRIVATE_KEY }}
 
       - name: Checkout
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          token: ${{ steps.app_token.outputs.token }}
 
       - name: Install Nix
         uses: cachix/install-nix-action@v31
 
-      - name: Update vendorHash in flake.nix
+      - name: Check the flake
         run: nix flake check
diff --git a/flake.nix b/flake.nix
index 93526431..ecf859e6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -99,6 +99,9 @@
                             substituteInPlace $out/share/quickshell/dms/Modules/Greetd/assets/dms-greeter \
                               --replace-fail /bin/bash ${pkgs.bashInteractive}/bin/bash
 
+                            substituteInPlace $out/share/quickshell/dms/assets/pam/fprint \
+                              --replace-fail pam_fprintd.so ${pkgs.fprintd}/lib/security/pam_fprintd.so
+
                             installShellCompletion --cmd dms \
                               --bash <($out/bin/dms completion bash) \
                               --fish <($out/bin/dms completion fish) \