diff --git a/tests/Application.FunctionalTests/Testing.cs b/tests/Application.FunctionalTests/Testing.cs
index 7b7a6b769..3b928b3c3 100644
--- a/tests/Application.FunctionalTests/Testing.cs
+++ b/tests/Application.FunctionalTests/Testing.cs
@@ -11,7 +11,7 @@ namespace CleanArchitecture.Application.FunctionalTests;
 [SetUpFixture]
 public partial class Testing
 {
-    private static ITestDatabase _database;
+    private static ITestDatabase _database = null!;
     private static CustomWebApplicationFactory _factory = null!;
     private static IServiceScopeFactory _scopeFactory = null!;
     private static string? _userId;