diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index a3f4fce3..a349cb07 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -37,7 +37,7 @@ jobs:
         uses: DeterminateSystems/nix-installer-action@main
 
       - name: Check formatting via Alejandra
-        run: nix run nixpkgs#alejandra -- --check . --exclude npins
+        run: nix run nixpkgs#alejandra -- -c .
 
   check-typos:
     name: "Check source tree for typos"
diff --git a/flake.lock b/flake.lock
index 540715e9..e31038ab 100644
--- a/flake.lock
+++ b/flake.lock
@@ -38,11 +38,11 @@
     },
     "mnw": {
       "locked": {
-        "lastModified": 1744592022,
-        "narHash": "sha256-QuWrCRiF3CUM99sgj3gXbIzB1IAVWS5IEfFHadbMA2g=",
+        "lastModified": 1744497692,
+        "narHash": "sha256-ikWRNR/P/aKCCySZnUfF1W0u0t6rSoJgQgKeDdCBAK8=",
         "owner": "Gerg-L",
         "repo": "mnw",
-        "rev": "cf9e19413b6c2d995b55565cd99facf9c751b653",
+        "rev": "c5322a2bf74c0066fd15ca35721561397a2e7eab",
         "type": "github"
       },
       "original": {
diff --git a/npins/sources.nix b/npins/sources.nix
index 3ae0b99e..162f1d94 100644
--- a/npins/sources.nix
+++ b/npins/sources.nix
@@ -98,9 +98,7 @@ builtins.mapAttrs
             Channel = getZip;
             Tarball = getUrl;
           }
-          .${
-            spec.type
-          }
+          .${spec.type}
           or (builtins.throw "Unknown source type ${spec.type}");
       in
         spec // {outPath = mayOverride (func spec);}