diff --git a/src/Umbraco.Web/HealthCheck/HealthCheckResolver.cs b/src/Umbraco.Web/HealthCheck/HealthCheckResolver.cs
index f48b52ebd4..96762f540d 100644
--- a/src/Umbraco.Web/HealthCheck/HealthCheckResolver.cs
+++ b/src/Umbraco.Web/HealthCheck/HealthCheckResolver.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Web;
+using Umbraco.Core;
 using Umbraco.Core.Logging;
 using Umbraco.Core.ObjectResolution;