diff --git a/scripts/setup_checks.sh b/scripts/setup_checks.sh
index 8698c7c..f806274 100755
--- a/scripts/setup_checks.sh
+++ b/scripts/setup_checks.sh
@@ -67,7 +67,7 @@ check_port () {
 	port="$2"
 	reason="$3"
 	echo -n "Checking ${protocol^^} port $port... "
-	process_pid=$(sudo ss -Hlnp -A "$protocol" "sport = :$port" | grep -Po "(?<=pid=)(\d+)" | head -n1)
+	process_pid=$(sudo ss -lnp -A "$protocol" "sport = :$port" | grep -Po "(?<=pid=)(\d+)" | head -n1)
 	if [ -n "$process_pid" ]; then
 		process_name=$(ps -p "$process_pid" -o comm=)
 		echo "Occupied by $process_name with PID $process_pid."