diff --git a/app/__init__.py b/app/__init__.py
index cdd861a..018d56f 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -21,6 +21,13 @@ def create_app():
                 template_folder='../templates',  # ← Root/templates statt app/templates
                 static_folder='../static')       # ← Root/static
 
+    from datetime import timedelta
+
+    def timedelta_filter(td):
+        return str(td)  # oder td.total_seconds() als Zahl
+
+    app.jinja_env.filters['timedelta'] = timedelta_filter
+
     # Config laden
     app.config.from_object('config.Config')
 
diff --git a/templates/base.html b/templates/base.html
index 449a998..7960d40 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -87,7 +87,18 @@
           crossorigin="anonymous"></script>
 
 {% block scripts %}
-  <!-- Module laden – Reihenfolge wichtig! -->
+  {% if config %}
+    <script>
+      // Config + globale Sounds nur setzen, wenn vorhanden
+      window.mkConfig = {{ config | tojson | safe | timedelta }};
+      window.mkGlobalSounds = {{ global_sounds | tojson | safe }};
+
+      console.log("base.html → mkConfig gesetzt:", window.mkConfig);
+      console.log("base.html → mkGlobalSounds:", window.mkGlobalSounds);
+    </script>
+  {% endif %}
+
+  <!-- Alle Module laden (immer) -->
   <script src="{{ url_for('static', filename='js/config.js') }}"></script>
   <script src="{{ url_for('static', filename='js/ui-status.js') }}"></script>
   <script src="{{ url_for('static', filename='js/ui-connect.js') }}"></script>
@@ -98,13 +109,8 @@
   <!-- Einstiegspunkt -->
   <script src="{{ url_for('static', filename='js/app.js') }}"></script>
 
-  <!-- Config setzen + Inits aufrufen -->
+  <!-- Initialisierung aufrufen -->
   <script>
-    // Config global setzen (nur auf Seiten mit config)
-    window.mkConfig       = {{ config | tojson | safe }};
-    window.mkGlobalSounds = {{ global_sounds | tojson | safe }};
-
-    // Alle Inits aufrufen
     initConfig();
     initStatus();
     initConnect();