diff --git a/package.json b/package.json
index 6eb35c8..050ed17 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,8 @@
     "start": "nodemon --exec babel-node src/index.js",
     "test:run-server": "TEST_DATABASE_URL=mongodb://localhost:27017/mytestdatabase npm start",
     "test:execute-test": "TEST_DATABASE_URL=mongodb://localhost:27017/mytestdatabase mocha --require @babel/register 'src/**/*.spec.js'",
-    "test": "echo \"No test specified\" && exit 0"
+    "test": "echo \"No test specified\" && exit 0",
+    "format": "npx prettier --config .prettierrc --write 'src/**/*.js'"
   },
   "keywords": [],
   "author": "Robin Wieruch <hello@rwieruch.com> (https://www.robinwieruch.de)",
diff --git a/src/models/index.js b/src/models/index.js
index 88c61e0..ac88604 100644
--- a/src/models/index.js
+++ b/src/models/index.js
@@ -5,17 +5,15 @@ import Message from './message';
 
 const connectDb = () => {
   if (process.env.TEST_DATABASE_URL) {
-    return mongoose.connect(
-      process.env.TEST_DATABASE_URL,
-      { useNewUrlParser: true },
-    );
+    return mongoose.connect(process.env.TEST_DATABASE_URL, {
+      useNewUrlParser: true,
+    });
   }
 
   if (process.env.DATABASE_URL) {
-    return mongoose.connect(
-      process.env.DATABASE_URL,
-      { useNewUrlParser: true },
-    );
+    return mongoose.connect(process.env.DATABASE_URL, {
+      useNewUrlParser: true,
+    });
   }
 };