From ab145b942eeaf63d340366b34aa8be7614debad6 Mon Sep 17 00:00:00 2001
From: Sebastian Stefan Winkler <sebastian@winkler.dev>
Date: Sat, 9 Jul 2022 18:33:58 -0400
Subject: [PATCH] fixes crash

---
 events/keys.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/events/keys.go b/events/keys.go
index 8b11bc0..bf8d086 100644
--- a/events/keys.go
+++ b/events/keys.go
@@ -161,7 +161,12 @@ func permissionOverwriteKey(event *discordgo.PermissionOverwrite) string {
 }
 
 func messageUpdateKey(event *discordgo.MessageUpdate) string {
-	return event.ID + event.EditedTimestamp.String()
+	key := event.ID
+	if event.EditedTimestamp != nil {
+		key += event.EditedTimestamp.String()
+	}
+
+	return key
 }
 
 func messageReactionKey(event *discordgo.MessageReaction) string {