diff --git a/src/KubeOps/Operator/Builder/OperatorBuilder.cs b/src/KubeOps/Operator/Builder/OperatorBuilder.cs
index d1521f6b..2d95619b 100644
--- a/src/KubeOps/Operator/Builder/OperatorBuilder.cs
+++ b/src/KubeOps/Operator/Builder/OperatorBuilder.cs
@@ -202,8 +202,8 @@ internal IOperatorBuilder AddOperatorBase(OperatorSettings settings)
         Services.AddScoped<IKubernetesClient, KubernetesClient>();
         Services.AddScoped<IEventManager, EventManager>();
 
-        Services.AddScoped(typeof(ResourceCache<>));
-        Services.AddScoped(typeof(ResourceWatcher<>));
+        Services.AddScoped(typeof(IResourceCache<>), typeof(ResourceCache<>));
+        Services.AddScoped(typeof(IResourceWatcher<>), typeof(ResourceWatcher<>));
         Services.AddScoped(typeof(IEventQueue<>), typeof(EventQueue<>));
 
         // Support all the metrics