diff --git a/pkgs/scanservjs/default.nix b/pkgs/scanservjs/default.nix
index 04ccb75..59bd8d0 100644
--- a/pkgs/scanservjs/default.nix
+++ b/pkgs/scanservjs/default.nix
@@ -1,83 +1,38 @@
 { lib
 , fetchFromGitHub
 , buildNpmPackage
-, fetchNpmDeps
 , nodejs
 }:
 
-let
-  version = "2.27.0";
-  src = fetchFromGitHub {
-    owner = "sbs20";
-    repo = "scanservjs";
-    rev = "v${version}";
-    hash = "sha256-GFpfH7YSXFRNRmx8F2bUJsGdPW1ECT7AQquJRxiRJEU=";
-  };
-
-  depsHashes = {
-    server = "sha256-V4w4euMl67eS4WNIFM8j06/JAEudaq+4zY9pFVgTmlY=";
-    client = "sha256-r/uYaXpQnlI90Yn6mo2KViKDMHE8zaCAxNFnEZslnaY=";
-  };
-
-  serverDepsForClient = fetchNpmDeps {
-    inherit src nodejs;
-    sourceRoot = "${src.name}/packages/server";
-    name = "scanservjs-server";
-    hash = depsHashes.server or lib.fakeHash;
-  };
-
-  # static client files
-  client = buildNpmPackage ({
-    pname = "scanservjs-static";
-    inherit version src nodejs;
-
-    sourceRoot = "${src.name}/packages/client";
-    npmDepsHash = depsHashes.client or lib.fakeHash;
-
-    preBuild = ''
-      cd ../server
-      chmod +w package-lock.json . /build/source/
-      npmDeps=${serverDepsForClient} npmConfigHook
-      cd ../client
-    '';
-
-    env.NODE_OPTIONS = "--openssl-legacy-provider";
-
-    dontNpmInstall = true;
-    installPhase = ''
-      mv /build/source/dist/client $out
-    '';
-  });
-
-in buildNpmPackage {
+buildNpmPackage {
   pname = "scanservjs";
-  inherit version src nodejs;
+  version = "3.0.3";
 
-  sourceRoot = "${src.name}/packages/server";
-  npmDepsHash = depsHashes.server or lib.fakeHash;
+  src = fetchFromGitHub {
+    # owner = "sbs20";
+    owner = "chayleaf";
+    repo = "scanservjs";
+    # rev = "v${version}";
+    rev = "bf41a95c9cd6bd924d6e14a28da6d33ddc64ef2e";
+    hash = "sha256-ePg8spI1rlWYcpjtax7gaZp2wUX4beHzMd71b8XKNG8=";
+  };
+
+  inherit nodejs;
+
+  npmDepsHash = "sha256-bigIFAQ2RLk6yxbUcMnmXwgaEkzFFUYn+hE7RIiFm8Y=";
 
   preBuild = ''
-    chmod +w /build/source
-    substituteInPlace src/server.js --replace "express.static('client')" "express.static('${client}')"
-    substituteInPlace src/api.js --replace \
-      '`''${config.previewDirectory}/default.jpg`' \
-      "'$out/lib/node_modules/scanservjs-api/data/preview/default.jpg'"
-    substituteInPlace src/application.js --replace \
-      "'../../config/config.local.js'" \
-      "process.env.NIX_SCANSERVJS_CONFIG_PATH"
-    substituteInPlace src/classes/user-options.js --replace \
-      "const localPath = path.join(__dirname, localConfigPath);" \
-      "const localPath = localConfigPath;"
-    substituteInPlace src/configure.js --replace \
-      "fs.mkdirSync(config.outputDirectory, { recursive: true });" \
-      "fs.mkdirSync(config.outputDirectory, { recursive: true }); fs.mkdirSync(config.previewDirectory, { recursive: true });"
+    npm run build
   '';
 
   postInstall = ''
+    mv $out/lib/node_modules/scanservjs/node_modules dist/
+    rm -rf $out/lib/node_modules/scanservjs
+    mv dist $out/lib/node_modules/scanservjs
     mkdir -p $out/bin
     makeWrapper ${nodejs}/bin/node $out/bin/scanservjs \
       --set NODE_ENV production \
-      --add-flags "'$out/lib/node_modules/scanservjs-api/src/server.js'"
+      --add-flags "'$out/lib/node_modules/scanservjs/server/server.js'"
   '';
 
   meta = with lib; {
diff --git a/system/modules/scanservjs.nix b/system/modules/scanservjs.nix
index 29a67c6..4a89958 100644
--- a/system/modules/scanservjs.nix
+++ b/system/modules/scanservjs.nix
@@ -5,25 +5,19 @@
 
 let
   cfg = config.services.scanservjs;
-  /*
-    substituteInPlace src/classes/config.js \
-      --replace '/usr/bin/scanimage' '${sane-backends}/bin/scanimage' \
-      --replace '/usr/bin/convert' '${imagemagick}/bin/convert' \
-      --replace '/usr/bin/tesseract' '${tesseract}/bin/tesseract'
-  */
+
   settings = {
     scanimage = "${pkgs.sane-backends}/bin/scanimage";
     convert = "${pkgs.imagemagick}/bin/convert";
     tesseract = "${pkgs.tesseract}/bin/tesseract";
-    # it defaults to config/devices.json, but "config" dir doesn't exist and scanservjs doesn't create it
-    devicesPath = "devices.json";
   } // cfg.settings;
+
   settingsFormat = pkgs.formats.json { };
 
   leafs = attrs:
     builtins.concatLists
       (lib.mapAttrsToList
-        (k: v: if builtins.isAttrs v then leafs v else [v])
+        (k: v: if builtins.isAttrs v then leafs v else [ v ])
         attrs);
 
   package = pkgs.scanservjs;
@@ -58,7 +52,7 @@ let
       },
 
       actions: [
-        ${builtins.concatStringsSep ",\n" cfg.extraActions}
+        ${builtins.concatStringsSep ",\n" (map (x: "(${x})") cfg.extraActions)}
       ],
     };
   '';
@@ -74,7 +68,7 @@ in {
       '';
     };
     settings = lib.mkOption {
-      default = {};
+      default = { };
       description = lib.mdDoc ''
         Config to set in config.local.js's `afterConfig`
       '';
@@ -114,11 +108,12 @@ in {
       '';
     };
     extraActions = lib.mkOption {
-      default = [];
+      default = [ ];
       type = lib.types.listOf lib.types.lines;
       description = "Actions to add to config.local.js's `actions`";
     };
   };
+
   config = lib.mkIf cfg.enable {
     hardware.sane.enable = true;
     users.users.scanservjs = {
@@ -126,9 +121,9 @@ in {
       extraGroups = [ "scanner" "lp" ];
       home = cfg.stateDir;
       isSystemUser = true;
-      createHome = true;
+      createHome = lib.mkIf (cfg.stateDir != "/var/lib/scanservjs") true;
     };
-    users.groups.scanservjs = {};
+    users.groups.scanservjs = { };
 
     systemd.services.scanservjs = {
       description = "scanservjs";
@@ -136,14 +131,14 @@ in {
       wantedBy = [ "multi-user.target" ];
       # yes, those paths are configurable, but the config option isn't always used...
       path = with pkgs; [ coreutils sane-backends imagemagick tesseract ];
-      environment.NIX_SCANSERVJS_CONFIG_PATH = configFile;
       environment.SANE_CONFIG_DIR = "/etc/sane-config";
       environment.LD_LIBRARY_PATH = "/etc/sane-libs";
       serviceConfig = {
-        ExecStart = "${package}/bin/scanservjs";
+        ExecStart = "${package}/bin/scanservjs --config ${configFile}";
         Restart = "always";
         User = "scanservjs";
         Group = "scanservjs";
+        StateDirectory = lib.mkIf (cfg.stateDir == "/var/lib/scanservjs") "scanservjs";
         WorkingDirectory = cfg.stateDir;
       };
     };