diff --git a/lib/jagfx/core/src/configuration/user-preference/user-preference.type.ts b/lib/jagfx/core/src/configuration/user-preference/user-preference.type.ts
index 7286b35..dbd1037 100644
--- a/lib/jagfx/core/src/configuration/user-preference/user-preference.type.ts
+++ b/lib/jagfx/core/src/configuration/user-preference/user-preference.type.ts
@@ -1,5 +1,4 @@
 export type UserPreferenceId = string;
-
 export const enum UserPreferenceTarget {
   Application = 'application',
   Game = 'game'
@@ -27,4 +26,8 @@ export class UserPreferenceCollection extends Map<
 
     return collection;
   }
+  
+  public toJson(): UserPreference[] {
+    return Array.from(this.values());
+  }
 }
diff --git a/lib/jagfx/server/src/user-preference/transformer.ts b/lib/jagfx/server/src/user-preference/transformer.ts
index 3d7c297..7128882 100644
--- a/lib/jagfx/server/src/user-preference/transformer.ts
+++ b/lib/jagfx/server/src/user-preference/transformer.ts
@@ -14,6 +14,6 @@ export const toUserPreferencesCollection = (
       });
     }
   );
-  
+
   return collection;
 };
diff --git a/makefile b/makefile
index 630ec1a..480c4d7 100644
--- a/makefile
+++ b/makefile
@@ -28,5 +28,8 @@ ci:
 server\:dev\:build:
 	@bin/node npm run build -w servers/jagfx/dev
 
+server\:dev\:watch:
+	@bin/server npm run watch -w servers/jagfx/dev
+
 server\:dev\:start:
-	@bin/server npm run start -w servers/jagfx/dev
\ No newline at end of file
+	@bin/server npm start -w servers/jagfx/dev
\ No newline at end of file
diff --git a/servers/jagfx/dev/package.json b/servers/jagfx/dev/package.json
index 42cbbc2..58c131b 100644
--- a/servers/jagfx/dev/package.json
+++ b/servers/jagfx/dev/package.json
@@ -5,8 +5,8 @@
   "type": "module",
   "scripts": {
     "build": "npx tsc -p tsconfig.json && tsc-alias",
-    "watch": "npm run build && npx concurrently -c 'tsc -w' 'tsc-alias -w' 'nodemon --experimental-specifier-resolution=node -w dist dist/index.js'",
-    "start": "nodemon -w src src/index.ts"
+    "watch": "nodemon -w src src/index.ts",
+    "start": "nodemon src/index.ts"
   },
   "ts-node": {
     "esm": true
diff --git a/servers/jagfx/dev/src/index.ts b/servers/jagfx/dev/src/index.ts
index ba4ee16..d1e5845 100644
--- a/servers/jagfx/dev/src/index.ts
+++ b/servers/jagfx/dev/src/index.ts
@@ -1,19 +1,19 @@
-import fastify from 'fastify';
+import { UserPreference } from 'ets2-dashboard-core/src/configuration/user-preference/user-preference.type.js';
 
-import configApplication from 'ets2-dashboard-server/src/config/config.json' assert { type: "json" };
+import configApplication               from 'ets2-dashboard-server/src/config/config.json' assert { type: 'json' };
 import { toUserPreferencesCollection } from 'ets2-dashboard-server/src/user-preference/transformer.js';
+import fastify                         from 'fastify';
 
 // https://www.fastify.io/docs/latest/Reference/TypeScript/
 
 const server = fastify();
 
-server.get('/ping', async (request, reply) => {
+server.get('/ping', async () => {
   return 'pong +66';
 });
 
-server.get('/user-preferences', async (request, reply) => {
-  console.log( 'Plop' );
-  return toUserPreferencesCollection(configApplication);
+server.get('/user-preferences', async (): Promise<UserPreference[]> => {
+  return toUserPreferencesCollection(configApplication).toJson();
 });
 
 server.listen({ port: 3000, host: '0.0.0.0' }, (err, address) => {