From 4cfce15695fef93e02799575cb7e4822f7c5d7c4 Mon Sep 17 00:00:00 2001
From: Johannes Berthel <j.berthel@codeblick.de>
Date: Fri, 2 Apr 2021 21:29:45 +0200
Subject: [PATCH] only remove listener if scene was not already destroyed

---
 front/src/Phaser/Companion/Companion.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/front/src/Phaser/Companion/Companion.ts b/front/src/Phaser/Companion/Companion.ts
index 407b7326..2d11110e 100644
--- a/front/src/Phaser/Companion/Companion.ts
+++ b/front/src/Phaser/Companion/Companion.ts
@@ -212,7 +212,9 @@ export class Companion extends Container {
             }
         }
 
-        this.scene.events.removeListener('update', this.step, this);
+        if (this.scene) {
+            this.scene.events.removeListener('update', this.step, this);
+        }
 
         super.destroy();
     }