diff --git a/manager.hpp b/manager.hpp
index 17f950f..5c694b5 100644
--- a/manager.hpp
+++ b/manager.hpp
@@ -109,7 +109,7 @@
     using HolderPtr = std::unique_ptr<details::holder::Base>;
     using InterfaceComposite = std::map<std::string, HolderPtr>;
     using ObjectReferences = std::map<std::string, InterfaceComposite>;
-    using Events = std::map<const char *, Event>;
+    using Events = std::vector<Event>;
     using MakerType = HolderPtr(*)(
             sdbusplus::bus::bus &, const char *);
     using Makers = std::map<std::string, MakerType>;