diff --git a/BEDIENUNGSANLEITUNG.md b/BEDIENUNGSANLEITUNG.md
index 194b32a..6f54390 100644
--- a/BEDIENUNGSANLEITUNG.md
+++ b/BEDIENUNGSANLEITUNG.md
@@ -1009,11 +1009,12 @@ Aktuell installierte Stimmen:
 |---|---|---|---|
 | `de_DE-thorsten-high` | Deutsch | high (22050 Hz) | **Default**, männlich |
 | `de_DE-kerstin-low` | Deutsch | low (16000 Hz) | weiblich, hörbar gröber |
+| `de_DE-karlsson-low` | Deutsch | low (16000 Hz) | männlich, hörbar gröber |
 | `en_US-ryan-high` | Englisch | high (22050 Hz) | männlich |
 | `es_ES-davefx-medium` | Spanisch | medium | männlich |
 | `fr_FR-gilles-low` | Französisch | low (16000 Hz) | männlich, hörbar gröber |
 
-`de_DE-karlsson-low` ist **nicht installiert** — Herunterladen (→ unten) oder `de_DE-thorsten-high` verwenden.
+`de_DE-karlsson-low` ist installiert (heruntergeladen 2026-06-19).
 
 Stimme wechseln (in `.env`):
 ```bash
diff --git a/app/web/app.js b/app/web/app.js
index d3951b6..afe2c8e 100644
--- a/app/web/app.js
+++ b/app/web/app.js
@@ -984,7 +984,7 @@ const FIELD_META = {
   openrouter_llm_model:            { ui: "combo",   opts: ["google/gemini-3.1-flash-lite","openai/gpt-4.1-mini","google/gemini-2.5-flash","anthropic/claude-haiku-4-5-20251001","meta-llama/llama-3.3-70b-instruct"], test: "llm" },
   openrouter_tts_model:            { ui: "combo",   opts: ["google/gemini-3.1-flash-tts-preview","openai/gpt-4o-mini-tts"], test: "tts", testProvider: "openrouter" },
   openrouter_tts_voice:            { ui: "combo",   opts: ["Zephyr","Puck","Charon","Kore","Fenrir","Leda","Orus","Aoede","Callirrhoe","Enceladus","Algieba","Despina","Achernar"], test: "tts", testProvider: "openrouter" },
-  piper_voice:                     { ui: "combo",   opts: ["de_DE-thorsten-high","de_DE-kerstin-low","en_US-ryan-high","es_ES-davefx-medium","fr_FR-gilles-low"], test: "tts", testProvider: "piper" },
+  piper_voice:                     { ui: "combo",   opts: ["de_DE-thorsten-high","de_DE-kerstin-low","de_DE-karlsson-low","en_US-ryan-high","es_ES-davefx-medium","fr_FR-gilles-low"], test: "tts", testProvider: "piper" },
   local_llm_system_prompt:         { ui: "textarea", test: "llm" },
   local_llm_temperature:           { ui: "range",   min: 0, max: 2, step: 0.1, test: "llm" },
   local_llm_max_tokens:            { ui: "number",  min: 0, test: "llm" },
diff --git a/app/web/index.html b/app/web/index.html
index 591843b..8dc5391 100644
--- a/app/web/index.html
+++ b/app/web/index.html
@@ -218,6 +218,6 @@
     <div id="status" class="w-full max-w-3xl mx-auto mt-1 min-h-[1rem] text-xs text-slate-500 dark:text-slate-400"></div>
   </footer>
 
-  <script src="/app.js?v=16"></script>
+  <script src="/app.js?v=17"></script>
 </body>
 </html>