diff --git a/marvin256x256.png b/marvin256x256.png
new file mode 100644
index 0000000..1c861b8
Binary files /dev/null and b/marvin256x256.png differ
diff --git a/package.json b/package.json
index 3fe99d2..806692f 100644
--- a/package.json
+++ b/package.json
@@ -33,18 +33,30 @@
     "prod": "cross-env NODE_ENV=production webpack --mode production --config webpack.build.config.js && electron --noDevServer .",
     "start": "cross-env NODE_ENV=development webpack serve --hot --host 0.0.0.0 --config=./webpack.dev.config.js --mode development",
     "build": "cross-env NODE_ENV=production webpack --config webpack.build.config.js --mode production",
-    "installer": "electron-builder",
+    "installer": "electron-builder -lw",
     "package": "npm run build",
     "postpackage": "electron-packager ./ --ignore 'resources/files' --out=./builds --asar --overwrite --platform win32,linux --icon marvin.ico --extra-resource 'resources/files'"
   },
   "build": {
-    "appId": "marvin",
+    "appId": "org.nasarek.marvin",
+    "extraResources": [{
+      "from": "resources/files",
+      "to": "files"
+    }],
     "win": {
       "target": [
         "nsis"
       ],
       "icon": "marvin256x256.ico"
     },
+    "linux": {
+
+      "target": [
+        "deb"
+      ],
+      "icon": "marvin256x256.png",
+      "category": "Utility"
+    },
     "nsis": {
       "oneClick": false,
       "installerIcon": "marvin.ico",
diff --git a/resources/files/config/config.json b/resources/files/config/config.json
index 4ca2d73..b0b532a 100644
--- a/resources/files/config/config.json
+++ b/resources/files/config/config.json
@@ -1,3 +1,3 @@
 {
-  "rootDir": "C:\\Users\\Robert\\Desktop\\marvin"
+  "rootDir": "/home/rbrt/Schreibtisch/marvin"
 }
\ No newline at end of file
diff --git a/src/DocxInserter.js b/src/DocxInserter.js
index c20e80f..9a8f04e 100644
--- a/src/DocxInserter.js
+++ b/src/DocxInserter.js
@@ -92,10 +92,17 @@ export async function fillTemplate(log, objectData) {
 
     // Write document to disk.
     if (buffer) {
-      const normCharacterObjectId = replaceSpecialCharacters(objectData.inventarnummer)
-      const normCharacterTitle = replaceSpecialCharacters(objectData.titel)
-      const normSpacingTitle = normCharacterTitle.replace(/[^A-Z0-9]+/ig, "_");
-      const filename = objectData.datum + '_' + normCharacterObjectId + '_' + normSpacingTitle + '.docx'
+      // ObjectId normalisation.
+      const normCharacterObjectId = replaceSpecialCharacters(objectData.inventarnummer);
+      const normSpacingObjectId = normCharacterObjectId.replace("__", "_");
+      // Title normalisation
+      const replaceEszettTitle = objectData.titel.replace("ß", "ss");
+      const normCharacterTitle = replaceSpecialCharacters(replaceEszettTitle);
+      const normSingleSpaceTitle = normCharacterTitle.replace("__", "_");
+      const normSpacingTitle = normSingleSpaceTitle.replace(/[^A-Z0-9\-]+/ig, "_");
+      const normLengthTitle = normSpacingTitle.slice(0,50);
+
+      const filename = normSpacingObjectId + '__' + normLengthTitle + '__' + objectData.datum  + '__' + objectData.dokumenttyp + '.docx'
       fs.writeFileSync(path.join(documentPath, filename), buffer)
       log = {
         ...log,