diff --git a/lib/joolaio.string.js b/lib/joolaio.string.js
index c812190..deb5706 100644
--- a/lib/joolaio.string.js
+++ b/lib/joolaio.string.js
@@ -128,11 +128,14 @@ joolaio.string.shortenNumber = function (n) {
 }
 
 joolaio.string.intToTime = function (TimeInSeconds) {
-
+  var negative = false;
+  if (TimeInSeconds < 0) {
+    negative = true;
+    TimeInSeconds = Math.abs(TimeInSeconds);
+  }
   var sHours = (Math.round(((TimeInSeconds / 60.0) / 60) - 0.5, 0)).toString();
   var sMinutes = (Math.round((TimeInSeconds / 60.0) - 0.5, 0) % 60).toString();
   var sSeconds = parseInt((TimeInSeconds % 60)).toString();
-
   if (sHours.length == 1)
     sHours = '0' + sHours;
   if (sMinutes.length == 1)
@@ -140,6 +143,9 @@ joolaio.string.intToTime = function (TimeInSeconds) {
   if (sSeconds.length == 1)
     sSeconds = '0' + sSeconds;
 
-  return sHours + ':' + sMinutes + ':' + sSeconds;
+  if (!negative)
+    return sHours + ':' + sMinutes + ':' + sSeconds;
+  else
+    return '-' + sHours + ':' + sMinutes + ':' + sSeconds;
 
 }
\ No newline at end of file