diff --git a/js/vehicleApi.js b/js/vehicleApi.js
index ed793d9..9ba0fe0 100644
--- a/js/vehicleApi.js
+++ b/js/vehicleApi.js
@@ -220,6 +220,7 @@ function newFindClosest(dates, tDate, kmcounter) {
 exports.apiRefuelingById=asyncHandler(async (req,res)=>{
   const {refuelPicker, vehicleIdF,fueledHUF, kmcounter, fueledqty}=req.body;
   let lastkm=0
+  const qty=Number(fueledqty.replace(',','.'));
     if (isValidObjectId(vehicleIdF)==false)
     {
       req.flash('error','Nem létező jármű');
@@ -243,7 +244,7 @@ exports.apiRefuelingById=asyncHandler(async (req,res)=>{
     var oilChangeLast= getTopN(vehicle.oilChangeLast,'kilometer',1)[0].kilometer;
     const settings=await Settings.find({name:"vehicleEmailNotify"});
     var nextOilChange=oilChangeLast+vehicle.oilChangeInterval
-    var remainingKilometers=nextOilChange-parseInt(kmcounter);
+    var remainingKilometers=nextOilChange-parseInt(parseInt(kmcounter));
 
     if(nextOilChange<=(parseInt(kmcounter)+5000))
     {
@@ -268,7 +269,7 @@ exports.apiRefuelingById=asyncHandler(async (req,res)=>{
       },
         $push:{refueling:{
               dateTime: Date.parse(refuelPicker),
-              quantity:fueledqty,
+              quantity: qty,
               fueledHUF:fueledHUF,
               kilometer:kmcounter}
             }