diff --git a/includes/html/graphs/device/toner.inc.php b/includes/html/graphs/device/toner.inc.php
index a2408668ad..14d5b3d9c5 100644
--- a/includes/html/graphs/device/toner.inc.php
+++ b/includes/html/graphs/device/toner.inc.php
@@ -54,7 +54,7 @@ foreach (dbFetchRows('SELECT * FROM printer_supplies where device_id = ?', [$dev
$rrd_options .= " LINE2:toner$id#" . $colour['left'] . ":'" . $descr . "'";
$rrd_options .= " GPRINT:toner$id:LAST:'%5.0lf%%'";
$rrd_options .= " GPRINT:toner$id:MIN:'%5.0lf%%'";
- $rrd_options .= " GPRINT:toner$id:MAX:%5.0lf%%\\\\l";
+ $rrd_options .= " GPRINT:toner$id:MAX:%5.0lf%%\l";
$iter++;
}//end foreach