diff --git a/bayarea-ai-server/docker-compose.yml b/bayarea-ai-server/docker-compose.yml
index c2c91e1..de136f0 100644
--- a/bayarea-ai-server/docker-compose.yml
+++ b/bayarea-ai-server/docker-compose.yml
@@ -84,9 +84,11 @@ services:
     devices:
       - /dev/dri:/dev/dri
       - /dev/kfd:/dev/kfd
+    # Numerische HOST-GIDs verwenden — Namen wie "render" existieren im
+    # Container-Image nicht. GIDs prüfen mit: getent group video render
     group_add:
-      - video
-      - render
+      - "44"   # video  (Host-GID ggf. anpassen)
+      - "991"  # render (Host-GID ggf. anpassen)
     security_opt:
       - seccomp:unconfined
     command: