diff --git a/netflow/iptables.sh b/netflow/iptables.sh
index 4d7d0ae..a37a450 100644
--- a/netflow/iptables.sh
+++ b/netflow/iptables.sh
@@ -8,8 +8,7 @@ __main() {
 	update-alternatives --set iptables /usr/sbin/iptables-legacy 2>/dev/null
 	update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy 2>/dev/null
 
-	readarray -t _owner_ids < <(3003,51000)
-
+	_owner_ids=(3003 51000)
 	_chain="output_netflow_owner_51000"
 
 	for _owner_id in "${_owner_ids[@]}"; do