diff --git a/src/samples/aspnet/Elsa.Samples.MassTransitActivities/Program.cs b/src/samples/aspnet/Elsa.Samples.MassTransitActivities/Program.cs
index a4b8cbe3a..d8e6658a7 100644
--- a/src/samples/aspnet/Elsa.Samples.MassTransitActivities/Program.cs
+++ b/src/samples/aspnet/Elsa.Samples.MassTransitActivities/Program.cs
@@ -15,7 +15,7 @@ builder.Services.AddElsa(elsa =>
     elsa.UseWorkflowManagement(management => management.UseEntityFrameworkCore(ef => ef.UseSqlite()));
     
     // Configure runtime feature to use EF Core.
-    elsa.UseWorkflowRuntime(runtime => runtime.UseEntityFrameworkCore(ef => ef.UseSqlite()));
+    elsa.UseWorkflowRuntime(runtime => runtime.UseDefaultRuntime(d => d.UseEntityFrameworkCore(ef => ef.UseSqlite())));
     
     // Expose API endpoints.
     elsa.UseWorkflowsApi();