diff --git a/src/Umbraco.Web/WebApi/UmbracoApiControllerBase.cs b/src/Umbraco.Web/WebApi/UmbracoApiControllerBase.cs
index 9c1b7ba45f..fd0770f6f7 100644
--- a/src/Umbraco.Web/WebApi/UmbracoApiControllerBase.cs
+++ b/src/Umbraco.Web/WebApi/UmbracoApiControllerBase.cs
@@ -69,7 +69,7 @@ namespace Umbraco.Web.WebApi
         /// Gets or sets the runtime state.
         /// </summary>
         [Inject]
-        internal RuntimeState RuntimeState { get; set; }
+        internal IRuntimeState RuntimeState { get; set; }
 
         /// <summary>
         /// Gets the application url.