diff --git a/includes/graphing.php b/includes/graphing.php
index 6e058b6f4..0a4b5fe13 100644
--- a/includes/graphing.php
+++ b/includes/graphing.php
@@ -9,17 +9,19 @@ function graph_multi_bits ($interfaces, $graph, $from, $to, $width, $height) {
   $imgfile = "graphs/" . "$graph";
   $options = "--alt-autoscale-max -E --start $from --end " . ($to - 150) . " --width $width --height $height";
   if($height < "33") { $options .= " --only-graph"; }
+  $i = 1;
   foreach(explode(",", $interfaces) as $ifid) {
-    $query = mysql_query("SELECT `ifIndex`, `hostname` FROM `interfaces` AS I, devices as D WHERE I.interface_id = '" . $ifid . "' AND I.device_id = D.device_id");    
+    $query = mysql_query("SELECT `ifIndex`, `hostname` FROM `interfaces` AS I, devices as D WHERE I.interface_id = '" . $ifid . "' AND I.device_id = D.device_id");
     $int = mysql_fetch_row($query);
     if(is_file($config['rrd_dir'] . "/" . $int[1] . "/" . $int[0] . ".rrd")) {
-      $options .= " DEF:inoctets" . $int[0] . "=" . $config['rrd_dir'] . "/" . $int[1] . "/" . $int[0] . ".rrd:INOCTETS:AVERAGE";
-      $options .= " DEF:outoctets" . $int[0] . "=" . $config['rrd_dir'] . "/" . $int[1] . "/" . $int[0] . ".rrd:OUTOCTETS:AVERAGE";
-      $in_thing .= $seperator . "inoctets" . $int[0] . ",UN,0," . "inoctets" . $int[0] . ",IF";
-      $out_thing .= $seperator . "outoctets" . $int[0] . ",UN,0," . "outoctets" . $int[0] . ",IF";
+      $options .= " DEF:inoctets" . $i . "=" . $config['rrd_dir'] . "/" . $int[1] . "/" . $int[0] . ".rrd:INOCTETS:AVERAGE";
+      $options .= " DEF:outoctets" . $i . "=" . $config['rrd_dir'] . "/" . $int[1] . "/" . $int[0] . ".rrd:OUTOCTETS:AVERAGE";
+      $in_thing .= $seperator . "inoctets" . $i . ",UN,0," . "inoctets" . $i . ",IF";
+      $out_thing .= $seperator . "outoctets" . $i . ",UN,0," . "outoctets" . $i . ",IF";
       $pluses .= $plus;
       $seperator = ",";
       $plus = ",+";
+      $i++;
     }
   }
   $options .= " CDEF:inoctets=" . $in_thing . $pluses;