diff --git a/html/includes/graphs/generic_duplex.inc.php b/html/includes/graphs/generic_duplex.inc.php
index c4b46b78e3..e062d75255 100644
--- a/html/includes/graphs/generic_duplex.inc.php
+++ b/html/includes/graphs/generic_duplex.inc.php
@@ -93,7 +93,7 @@ if ($percentile) {
     $rrd_options .= ' GPRINT:percentile_in:%6.2lf%s';
 }
 
-$rrd_options .= ' COMMENT:\\n';
+$rrd_options .= " COMMENT:\\n";
 $rrd_options .= ' AREA:dout#'.$colour_area_out.':';
 $rrd_options .= ' LINE1.25:dout#'.$colour_line_out.":'".$out_text."'";
 $rrd_options .= ' GPRINT:out:LAST:%6.2lf%s';
diff --git a/html/includes/graphs/generic_simplex.inc.php b/html/includes/graphs/generic_simplex.inc.php
index 186cc80a06..7e2604d3f1 100644
--- a/html/includes/graphs/generic_simplex.inc.php
+++ b/html/includes/graphs/generic_simplex.inc.php
@@ -100,7 +100,7 @@ else {
     }
 
     $rrd_options .= "\\\\n";
-    $rrd_options .= " COMMENT:\\\\n";
+    $rrd_options .= " COMMENT:\\n";
 
     if ($print_total) {
         $rrd_options .= ' GPRINT:'.$ds.'_tot:Total\ %6.2lf%s\)\\\\l';