diff --git a/apps/update-sources/src/app.ts b/apps/update-sources/src/app.ts
index 187c34ec..b58e3ebe 100644
--- a/apps/update-sources/src/app.ts
+++ b/apps/update-sources/src/app.ts
@@ -69,7 +69,7 @@ if (args['a'] || args['all']) {
     console.log(updateCustomPackage('some-sass-language-server'));
 
 
-    spawnSync('nix-fast-build', ['-f', `${FLAKE}#nixFastChecks`], {
+    spawnSync('nixFastBuild', [], {
         shell: true,
         stdio: [process.stdin, process.stdout, process.stderr],
     });
diff --git a/devices/servivi/modules/binary-cache.nix b/devices/servivi/modules/binary-cache.nix
index 4fb75eb9..664fde6a 100644
--- a/devices/servivi/modules/binary-cache.nix
+++ b/devices/servivi/modules/binary-cache.nix
@@ -24,6 +24,9 @@
       cd "$FLAKE" || return
 
       nix-fast-build -f .#nixFastChecks "$@"
+
+      mkdir -p results
+      mv -f result-* results
     '';
   };
 in {