diff --git a/check_package_updates/nrpe.d/check_package_updates.cfg b/check_package_updates/nrpe.d/check_package_updates.cfg
index c0ad7dc..75ed97f 100644
--- a/check_package_updates/nrpe.d/check_package_updates.cfg
+++ b/check_package_updates/nrpe.d/check_package_updates.cfg
@@ -1,2 +1,2 @@
 # Critical on security updates, warning if 40 or more total updates
-command[check_updates]=/usr/lib64/nagios/plugins/check_package_updates --th "metric=security,critical=1..inf" --th "metric=total,warning=40..inf"
+command[check_updates]=/usr/lib64/nagios/plugins/check_package_updates --th "metric=security,critical=1..inf" --th "metric=total,warning=40..inf" --legacy