diff --git a/dev2/edge/edge-box b/dev2/edge/edge-box
index 137c0a4..d9fcb6f 100755
--- a/dev2/edge/edge-box
+++ b/dev2/edge/edge-box
@@ -362,10 +362,10 @@ def restore_live(tgz):
     keep = {"etc/caddy/Caddyfile", "etc/caddy/edge-cert-sources", "etc/nginx/stream-enabled/dev2-edge.conf", C0MPUTE_HTTP}
     with tarfile.open(tgz) as tf:
         members = [m for m in tf.getmembers() if m.name in keep]
+        tf.extractall("/", members=members, **({"filter": "fully_trusted"} if hasattr(tarfile, "data_filter") else {}))
     # Not in the backup means this run added it: take it away again.
     if C0MPUTE_HTTP not in {m.name for m in members} and os.path.exists("/" + C0MPUTE_HTTP):
         os.remove("/" + C0MPUTE_HTTP)
-        tf.extractall("/", members=members, **({"filter": "fully_trusted"} if hasattr(tarfile, "data_filter") else {}))
     run("nginx -t -q", capture=True)
     run("systemctl reload nginx")
     run("if systemctl is-active --quiet caddy.service; then systemctl reload caddy.service; else systemctl restart caddy.service; fi")
diff --git a/dev2/edge/edge-sweep b/dev2/edge/edge-sweep
index fa7eebf..956ac60 100755
--- a/dev2/edge/edge-sweep
+++ b/dev2/edge/edge-sweep
@@ -25,7 +25,6 @@ if [ "${1:-}" = "--names" ]; then
   exit 0
 fi
 
-[ -f "${1:-}" ] || { echo "usage: edge-sweep NAMES_FILE | --names" >&2; exit 2; }
 probe() {
   n="$1"
   # Verified first; only when that fails (000: no answer, or a certificate this box
@@ -39,6 +38,8 @@ probe() {
   h=$(curl -s -o /dev/null -m "$TIMEOUT" -w '%{http_code}' --resolve "$n:80:$IP" "$plain://$n/" 2>/dev/null) || true
   printf '%s\t%s\t%s\t%s\n' "$n" "${v:-000}" "${k:-000}" "${h:-000}"
 }
-# POSIX sh has no `export -f`: xargs re-enters this script once per name.
-if [ "${EDGE_SWEEP_ONE:-}" ]; then probe "$EDGE_SWEEP_ONE"; exit 0; fi
+# POSIX sh has no `export -f`: xargs re-enters this script once per name (and
+# edge-box's re-probe calls it the same way, with /dev/null, which is not a file).
+[ -z "${EDGE_SWEEP_ONE:-}" ] || { probe "$EDGE_SWEEP_ONE"; exit 0; }
+[ -f "${1:-}" ] || { echo "usage: edge-sweep NAMES_FILE | --names" >&2; exit 2; }
 grep -v '^[[:space:]]*$' "$1" | xargs -P "$JOBS" -I{} env EDGE_SWEEP_ONE={} sh "$0" "$1" | sort