diff --git a/WebAPI/Controllers/LayersController.cs b/WebAPI/Controllers/LayersController.cs
index 82bb611..7cca622 100644
--- a/WebAPI/Controllers/LayersController.cs
+++ b/WebAPI/Controllers/LayersController.cs
@@ -1,3 +1,4 @@
+using System.Globalization;
 using DiunaBIWebAPI.dataImporters;
 using Google.Apis.Sheets.v4;
 using Microsoft.AspNetCore.Authorization;
@@ -508,6 +509,7 @@ namespace WebAPI.Controllers
 
             for (int i = 0; i < data[1].Count; i++)
             {
+                double value;
                 if (data[0][i].ToString() != "")
                 {
                     Record? record = newestLayer.Records!.Where(x => x.Code == data[0][i].ToString()).FirstOrDefault();
@@ -517,7 +519,9 @@ namespace WebAPI.Controllers
                         isUpToDate = false;
                         continue;
                     }
-                    else if (string.Format("{0:N2}", record.Value1) != data[1][i].ToString())
+                    else if (
+                        double.TryParse(data[1][i].ToString(), CultureInfo.GetCultureInfo("pl-PL"), out value) &&
+                        record.Value1 != value)
                     {
                         WriteToConsole($"Code: {data[0][i]}. DiunaBI: {string.Format("{0:N2}", record.Value1)}. GoogleSheet: {data[1][i]}");
                         isUpToDate = false;