diff --git a/Utils/DateTimeConverter.cs b/Utils/DateTimeConverter.cs
index e30d161..b6dbb10 100644
--- a/Utils/DateTimeConverter.cs
+++ b/Utils/DateTimeConverter.cs
@@ -1,3 +1,4 @@
+using System.Globalization;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
@@ -7,7 +8,7 @@ namespace NejCommon.Utils
     {
         public override DateOnly Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
-            return DateOnly.Parse(reader.GetString() ?? string.Empty);
+            return DateOnly.Parse(reader.GetString() ?? string.Empty, CultureInfo.InvariantCulture);
         }
 
         public override void Write(Utf8JsonWriter writer, DateOnly value, JsonSerializerOptions options)