From 8789d9dc70df9fe83c9c25ff715c62903bf1817d Mon Sep 17 00:00:00 2001
From: Maxime Helias <maximehelias16@gmail.com>
Date: Tue, 3 Mar 2020 15:17:37 +0100
Subject: [PATCH] make:subscriber: fix list active event

---
 src/EventRegistry.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/EventRegistry.php b/src/EventRegistry.php
index a73b9a91b..7c4a5f64c 100644
--- a/src/EventRegistry.php
+++ b/src/EventRegistry.php
@@ -107,6 +107,10 @@ public function getAllActiveEvents(): array
             if (isset(self::$newEventsMap[$listenerKey])) {
                 unset($listeners[$listenerKey]);
             }
+
+            if (!isset(self::$eventsMap[$listenerKey])) {
+                self::$eventsMap[$listenerKey] = $this->getEventClassName($listenerKey);
+            }
         }
 
         $activeEvents = array_unique(array_merge($activeEvents, array_keys($listeners)));