diff --git a/Tests/Server.Tests/IoCActivator.cs b/Tests/Server.Tests/IoCActivator.cs
index e905efb1..d8e55e67 100644
--- a/Tests/Server.Tests/IoCActivator.cs
+++ b/Tests/Server.Tests/IoCActivator.cs
@@ -21,7 +21,8 @@ namespace Remotely.Server.Tests;
 [TestClass]
 public class IoCActivator
 {
-    public static IServiceProvider ServiceProvider { get; set; } = null!;
+    public static IServiceProvider ServiceProvider => _webApp?.Services ?? 
+        throw new InvalidOperationException("The web application has not been initialized.");
     private static WebApplicationBuilder? _builder;
     private static WebApplication? _webApp;
 
@@ -30,6 +31,12 @@ public class IoCActivator
     {
         _builder = WebApplication.CreateBuilder();
 
+        var appSettings = new Dictionary<string, string?>
+        {
+            ["ApplicationOptions:DbProvider"] = "inmemory"
+        };
+        _builder.Configuration.AddInMemoryCollection(appSettings);
+
         _builder.Services.AddDbContext<AppDb, TestingDbContext>(
             contextLifetime: ServiceLifetime.Transient,
             optionsLifetime: ServiceLifetime.Transient);
@@ -44,7 +51,6 @@ public class IoCActivator
         _builder.Services.AddTransient<IEmailSenderEx, EmailSenderEx>();
 
         _webApp = _builder.Build();
-        ServiceProvider = _webApp.Services;
     }
 }