diff --git a/plugins/backuppc/backuppc b/plugins/backuppc/backuppc
index c7db2299..222771e2 100755
--- a/plugins/backuppc/backuppc
+++ b/plugins/backuppc/backuppc
@@ -4,6 +4,10 @@
 #    [backuppc]
 #    user backuppc
 #    env.pcdir /var/lib/BackupPC/pc
+#    env.full_warning 10    # warn if FULL backup older than N days
+#    env.full_critical 20   # critical if FULL backup older than N days
+#    env.incr_warning 1     # warn if INCR backup older than N days
+#    env.incr_critical 3    # critical if INCR backup older than N days
 #
 #%# family=backuppc
 #%# capabilities=autoconf
@@ -42,6 +46,18 @@ if [ "$1" = "config" ]; then
 	do
 		echo "$(clean_fieldname ${h})_full.label $(clean_fieldname ${h}) Full"
 		echo "$(clean_fieldname ${h})_incr.label $(clean_fieldname ${h}) Incr"
+		if [ -n "$full_warning" ]; then
+			echo "$(clean_fieldname ${h})_full.warning $full_warning"
+		fi
+		if [ -n "$incr_warning" ]; then
+			echo "$(clean_fieldname ${h})_incr.warning $incr_warning"
+		fi
+		if [ -n "$full_critical" ]; then
+			echo "$(clean_fieldname ${h})_full.critical $full_critical"
+		fi
+		if [ -n "$incr_critical" ]; then
+			echo "$(clean_fieldname ${h})_incr.critical $incr_critical"
+		fi
 	done
 
 	exit 0
@@ -150,3 +166,5 @@ one per row. The columns are:
     mangle
 	Set if this backup has mangled file names and attributes. Always true
 	for backups in v1.4.0 and above. False for all backups prior to v1.4.0.
+
+__END__