diff --git a/Claunia.Encoding.Tests/Claunia.Encoding.Tests.csproj b/Claunia.Encoding.Tests/Claunia.Encoding.Tests.csproj
index 51c8b34..021bbbb 100644
--- a/Claunia.Encoding.Tests/Claunia.Encoding.Tests.csproj
+++ b/Claunia.Encoding.Tests/Claunia.Encoding.Tests.csproj
@@ -14,6 +14,7 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.4" />
     <PackageReference Include="NUnit" Version="3.13.2" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Claunia.Encoding.Tests/GetEncs.cs b/Claunia.Encoding.Tests/GetEncs.cs
index 8486193..80e10f3 100644
--- a/Claunia.Encoding.Tests/GetEncs.cs
+++ b/Claunia.Encoding.Tests/GetEncs.cs
@@ -58,7 +58,7 @@ namespace Claunia.Encoding.Tests
         // Well basically this is taken from MSDN's documentation :p
         public void GetExternalEncoding()
         {
-            System.Text.Encoding e = Encoding.GetEncoding("shift_jis");
+            System.Text.Encoding e = Encoding.GetEncoding("iso8859-1");
         }
 
         [Test]