diff --git a/manager/orchestrator/updater.go b/manager/orchestrator/updater.go
index 97cb2fe328..1b9b285eb4 100644
--- a/manager/orchestrator/updater.go
+++ b/manager/orchestrator/updater.go
@@ -49,7 +49,7 @@ func (u *UpdateSupervisor) Update(ctx context.Context, cluster *api.Cluster, ser
 	id := service.ID
 
 	if update, ok := u.updates[id]; ok {
-		if !update.isServiceDirty(service) {
+		if reflect.DeepEqual(service.Spec, update.newService.Spec) {
 			// There's already an update working towards this goal.
 			return
 		}
@@ -375,11 +375,6 @@ func (u *Updater) isTaskDirty(t *api.Task) bool {
 		(t.Endpoint != nil && !reflect.DeepEqual(u.newService.Spec.Endpoint, t.Endpoint.Spec))
 }
 
-func (u *Updater) isServiceDirty(service *api.Service) bool {
-	return !reflect.DeepEqual(u.newService.Spec.Task, service.Spec.Task) ||
-		!reflect.DeepEqual(u.newService.Spec.Endpoint, service.Spec.Endpoint)
-}
-
 func (u *Updater) isSlotDirty(slot slot) bool {
 	return len(slot) > 1 || (len(slot) == 1 && u.isTaskDirty(slot[0]))
 }