diff --git a/src/ServiceControl.Monitoring/Bootstrapper.cs b/src/ServiceControl.Monitoring/Bootstrapper.cs
index 401bf6eb53..2c6b52a6fc 100644
--- a/src/ServiceControl.Monitoring/Bootstrapper.cs
+++ b/src/ServiceControl.Monitoring/Bootstrapper.cs
@@ -56,6 +56,7 @@ void CreateHost()
                     services.AddSingleton<MessageTypeRegistry>();
                     services.AddSingleton<EndpointInstanceActivityTracker>();
                     services.AddSingleton(sp => buildQueueLengthProvider(sp.GetRequiredService<QueueLengthStore>()));
+                    services.AddSingleton<LegacyQueueLengthReportHandler.LegacyQueueLengthEndpoints>();
                 })
                 .UseNServiceBus(builder =>
                 {