diff --git a/src/Testcontainers.Kusto/KustoBuilder.cs b/src/Testcontainers.Kusto/KustoBuilder.cs
index c953bad4e..bcef295ab 100644
--- a/src/Testcontainers.Kusto/KustoBuilder.cs
+++ b/src/Testcontainers.Kusto/KustoBuilder.cs
@@ -52,7 +52,7 @@ protected override KustoBuilder Init()
                 .WithMethod(HttpMethod.Post)
                 .ForPort(KustoPort)
                 .ForPath("/v1/rest/mgmt")
-                .WithContent(() => new StringContent("{\"csl\":\".show cluster\"}", Encoding.UTF8, "application/json"))));
+                .WithContent(() => new StringContent("{\"csl\":\".show cluster\"}", Encoding.Default, "application/json"))));
     }
 
     /// <inheritdoc />
diff --git a/tests/Testcontainers.Kusto.Tests/Usings.cs b/tests/Testcontainers.Kusto.Tests/Usings.cs
index 1a5adef94..b24f49d27 100644
--- a/tests/Testcontainers.Kusto.Tests/Usings.cs
+++ b/tests/Testcontainers.Kusto.Tests/Usings.cs
@@ -1,6 +1,5 @@
 global using System.Threading.Tasks;
 global using DotNet.Testcontainers.Commons;
-global using Kusto.Data;
 global using Kusto.Data.Common;
 global using Kusto.Data.Net.Client;
 global using Xunit;
\ No newline at end of file