diff --git a/atom/browser/notifications/win/win32_desktop_notifications/toast.cc b/atom/browser/notifications/win/win32_desktop_notifications/toast.cc
index eca973277f471..4912ee9b4d07f 100644
--- a/atom/browser/notifications/win/win32_desktop_notifications/toast.cc
+++ b/atom/browser/notifications/win/win32_desktop_notifications/toast.cc
@@ -269,10 +269,16 @@ LRESULT DesktopNotificationController::Toast::WndProc(HWND hwnd,
     case WM_MOUSEACTIVATE:
       return MA_NOACTIVATE;
 
-    case WM_TIMER:
+    case WM_TIMER: {
       if (wparam == TimerID_AutoDismiss) {
-        Get(hwnd)->AutoDismiss();
+        auto* inst = Get(hwnd);
+
+        Notification notification(inst->data_);
+        inst->data_->controller->OnNotificationDismissed(notification);
+
+        inst->AutoDismiss();
       }
+    }
       return 0;
 
     case WM_LBUTTONDOWN: {
diff --git a/atom/browser/notifications/win/win32_notification.cc b/atom/browser/notifications/win/win32_notification.cc
index aba61f4910179..b7a48317d82d1 100644
--- a/atom/browser/notifications/win/win32_notification.cc
+++ b/atom/browser/notifications/win/win32_notification.cc
@@ -47,8 +47,12 @@ void Win32Notification::Show(const NotificationOptions& options) {
 
   if (existing) {
     existing->tag_.clear();
+
     this->notification_ref_ = std::move(existing->notification_ref_);
     this->notification_ref_.Set(options.title, options.msg, image);
+    // Need to remove the entry in the notifications set that
+    // NotificationPresenter is holding
+    existing->Destroy();
   } else {
     this->notification_ref_ =
         presenter->AddNotification(options.title, options.msg, image);