diff --git a/tools/attack/adv-accept/run-box.sh b/tools/attack/adv-accept/run-box.sh
index 660a27693..125513995 100644
--- a/tools/attack/adv-accept/run-box.sh
+++ b/tools/attack/adv-accept/run-box.sh
@@ -8,7 +8,7 @@
 #   run-box.sh <tag> <bin> <args...>
 set -euo pipefail
 tag="$1"; bin="$2"; shift 2
-dir=/srv/builds/igneum-wt-adv-accept/adv
+dir=/srv/builds/_adv-adv-accept   # OUTSIDE the worktree mirror (correction 18:5x UTC: the mirror is synced and cleaned by build-remote.sh)
 mkdir -p "$dir"
 log="$dir/$tag.log"
 [ -x "$bin" ] || { echo "no binary at $bin" >&2; exit 1; }