diff --git a/api/router/registry/registry.go b/api/router/registry/registry.go
index c024424f..375aa7d0 100644
--- a/api/router/registry/registry.go
+++ b/api/router/registry/registry.go
@@ -325,7 +325,7 @@ func (r *registryRouter) Endpoint(req *http.Request) (*api.Service, error) {
 	}
 
 	// no match
-	return nil, registry.ErrNotFound
+	return nil, errors.New("not found")
 }
 
 func (r *registryRouter) Route(req *http.Request) (*api.Service, error) {