diff --git a/tools/fleet/box-standing.sh b/tools/fleet/box-standing.sh
index 7046562b6..faa3f8584 100755
--- a/tools/fleet/box-standing.sh
+++ b/tools/fleet/box-standing.sh
@@ -41,6 +41,7 @@ HOST_VERIFIER=""
 miner_loop() {
   cd $F/mine; [ -d packs/$PACK ] || $B/igneum-miner export-pack grpc://127.0.0.1:26610 packs/$PACK > $OUT/export-pack.log 2>&1
   while :; do
+    pkill -9 -f '^/opt/igneum/pkg/bin/igneum-miner mine' 2>/dev/null; pkill -9 -f '^/opt/igneum/pkg/bin/igneum-worker-cuda --serve --device 0 --pack packs' 2>/dev/null   # one miner per GPU: a restart race left two on three boxes (21:52Z)
     $B/igneum-miner mine grpc://127.0.0.1:26610 1 100000000 "$LABEL" --worker $B/igneum-worker-cuda --worker-args "--device 0 --pack packs/$PACK" --prepare-packs packs/$PACK-prepare --exit-on-seed-change --evm-address "$WALLET" --payout-label "$LABEL" --status-secs 60 >> $OUT/miner-0.log 2>&1; rc=$?
     echo "RESULT standing_miner_exit $(stamp) rc=$rc"; [ $rc = 42 ] && { rm -rf packs/$PACK; $B/igneum-miner export-pack grpc://127.0.0.1:26610 packs/$PACK >> $OUT/export-pack.log 2>&1; } || sleep 10
   done