diff --git a/plugins/disk/file_age b/plugins/disk/file_age
index 09e12634..991de76d 100755
--- a/plugins/disk/file_age
+++ b/plugins/disk/file_age
@@ -51,6 +51,9 @@ case $1 in
 	echo 'graph_vlabel seconds'
 	echo 'graph_category disk'
 
+	if [ -n "$host_name" ]; then
+		echo "host_name $host_name"
+	fi
 	exit 0
 	;;
 esac
@@ -91,6 +94,8 @@ Since there is no way for the plugin to guess which files you want monitored, yo
     [file_age]
     user root						# May not be necessary, depending on which files you want monitored.
 
+    env.host_name		backup			# Optional to group chart under a different host
+
     env.file1_path		/var/log/syslog		# Mandatory, complete path to file.
     env.file1_label		System syslog		# Optional label if you don't want the file name to be displayed.
     env.file1_warning		86400			# Optional warning level. Measured in seconds. 86400 is one day of seconds.