@ -12,7 +12,7 @@ function friendlyUnit(value, isSpeed) {
"QBT_TR(EiB)QBT_TR[CONTEXT=misc]"
];
if (value < 0)
if ((value === undefined) || (value === null) || (value < 0))
return "QBT_TR(Unknown)QBT_TR[CONTEXT=misc]";
var i = 0;