diff --git a/lib/core_dom/shadow_dom_component_factory.dart b/lib/core_dom/shadow_dom_component_factory.dart
index cdc2daee4..231a4c94f 100644
--- a/lib/core_dom/shadow_dom_component_factory.dart
+++ b/lib/core_dom/shadow_dom_component_factory.dart
@@ -4,6 +4,7 @@ abstract class ComponentFactory {
   FactoryFn call(dom.Node node, DirectiveRef ref);
 }
 
+@Injectable()
 class ShadowDomComponentFactory implements ComponentFactory {
   final Expando _expando;