diff --git a/LibreNMS/Util/Number.php b/LibreNMS/Util/Number.php
index 8a12d4eb39..4ac43a9964 100644
--- a/LibreNMS/Util/Number.php
+++ b/LibreNMS/Util/Number.php
@@ -36,6 +36,7 @@ class Number
 
     public static function formatSi($value, $round = 2, $sf = 3, $suffix = 'B')
     {
+        $value = (float) $value;
         $neg = $value < 0;
         if ($neg) {
             $value = $value * -1;
@@ -66,6 +67,7 @@ class Number
 
     public static function formatBi($value, $round = 2, $sf = 3, $suffix = 'B')
     {
+        $value = (float) $value;
         $neg = $value < 0;
         if ($neg) {
             $value = $value * -1;