From e4adfc33305297f5f3da38990bb3f28ae9d13d91 Mon Sep 17 00:00:00 2001
From: Miguel Gonzalez <miguel.gonzalez6@vodafone.com>
Date: Fri, 24 Sep 2021 16:39:12 +0100
Subject: [PATCH] Fix unhandled error on channel modes

---
 lib/irc.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/irc.js b/lib/irc.js
index 23ccfe08..65afd3d9 100644
--- a/lib/irc.js
+++ b/lib/irc.js
@@ -294,7 +294,7 @@ function Client(server, nick, opt) {
                             } else {
                                 channel.modeParams[mode] = [param];
                             }
-                        } else {
+                        } else if (channel.modeParams[mode]) {
                             if (arr) {
                                 channel.modeParams[mode] = channel.modeParams[mode]
                                     .filter(function(v) { return v !== param[0]; });