diff --git a/tests/NetDevPack.Security.Jwt.Tests/Warmups/WarmupFileStore.cs b/tests/NetDevPack.Security.Jwt.Tests/Warmups/WarmupFileStore.cs
index 8e0cf54..fefcfdd 100644
--- a/tests/NetDevPack.Security.Jwt.Tests/Warmups/WarmupFileStore.cs
+++ b/tests/NetDevPack.Security.Jwt.Tests/Warmups/WarmupFileStore.cs
@@ -1,4 +1,5 @@
 using System.IO;
+using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
 using NetDevPack.Security.Jwt.Core;
@@ -16,7 +17,8 @@ public WarmupFileStore()
             var serviceCollection = new ServiceCollection();
             serviceCollection.AddLogging();
             serviceCollection.AddMemoryCache();
-            serviceCollection.AddJwksManager().PersistKeysToFileSystem(new DirectoryInfo(Path.Combine(Directory.GetCurrentDirectory(), "/filestore")));
+            if(RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+                serviceCollection.AddJwksManager().PersistKeysToFileSystem(new DirectoryInfo(Path.Combine(Directory.GetCurrentDirectory(), "/filestore")));
 
             Services = serviceCollection.BuildServiceProvider();
             _jsonWebKeyStore = Services.GetRequiredService<IJsonWebKeyStore>();