diff --git a/compose_tugtainer.yaml b/compose_tugtainer.yaml
index 3b5a37f..745d725 100644
--- a/compose_tugtainer.yaml
+++ b/compose_tugtainer.yaml
@@ -9,6 +9,7 @@ services:
       - "9412:80"
     environment:
       TZ: Europe/Zurich
+      AGENT_SECRET: "$Back2k26Flash$"
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock:ro
       - /opt/tugtainer/data:/tugtainer # korrektes Mapping
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