From ae4ff244a3bd0203cde772107cf2d0ffabaf42d6 Mon Sep 17 00:00:00 2001
From: Florian Schmaus <flo@geekplace.eu>
Date: Mon, 27 Sep 2021 13:56:15 +0200
Subject: [PATCH] [muc] Check mucServicedDiscoInfo for null in
 serviceSupportsStableIds()

Fixes SMACK-913.
---
 .../main/java/org/jivesoftware/smackx/muc/MultiUserChat.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChat.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChat.java
index 7e0c0359b..b80f3582d 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChat.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChat.java
@@ -2558,7 +2558,7 @@ public class MultiUserChat {
     }
 
     public boolean serviceSupportsStableIds() {
-        return mucServiceDiscoInfo.containsFeature(MultiUserChatConstants.STABLE_ID_FEATURE);
+        return DiscoverInfo.nullSafeContainsFeature(mucServiceDiscoInfo, MultiUserChatConstants.STABLE_ID_FEATURE);
     }
 
     @Override