diff --git a/openVulkanoCpp/Base/Event.hpp b/openVulkanoCpp/Base/Event.hpp
index 0e393ba..45c8cdd 100644
--- a/openVulkanoCpp/Base/Event.hpp
+++ b/openVulkanoCpp/Base/Event.hpp
@@ -45,9 +45,9 @@ namespace openVulkanoCpp
 
 			virtual void Notify(Arguments... args) const = 0;
 
-			bool IsInvalid() const { return invalid; }
+			[[nodiscard]] bool IsInvalid() const { return invalid; }
 
-			void SetInvalid() override { invalid = true; }
+			void SetInvalid() final { invalid = true; }
 		};
 
 		class StaticEventHandler final : public EventHandler
@@ -130,6 +130,10 @@ namespace openVulkanoCpp
 				{
 					(instancePtr.get()->*method)(args...);
 				}
+				else
+				{
+					const_cast<InstancedWeakPtrEventHandler*>(this)->SetInvalid();
+				}
 			}
 
 		protected: