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 1bc1de725..5b962127f 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
@@ -170,10 +170,6 @@ public class MultiUserChat {
             public void processStanza(Stanza packet) {
                 Message msg = (Message) packet;
                 EntityFullJid from = msg.getFrom().asEntityFullJidIfPossible();
-                if (from == null) {
-                    LOGGER.warning("Message subject not changed by a full JID: " + msg.getFrom());
-                    return;
-                }
                 // Update the room subject
                 subject = msg.getSubject();
                 // Fire event for subject updated listeners
diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/SubjectUpdatedListener.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/SubjectUpdatedListener.java
index ee5f0e337..91bae3f1a 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/SubjectUpdatedListener.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/muc/SubjectUpdatedListener.java
@@ -30,7 +30,7 @@ public interface SubjectUpdatedListener {
      * Called when a MUC room has changed its subject.
      * 
      * @param subject the new room's subject.
-     * @param from the user that changed the room's subject (e.g. room@conference.jabber.org/nick).
+     * @param from the user that changed the room's subject or <code>null</code> if the room itself changed the subject.
      */
     public abstract void subjectUpdated(String subject, EntityFullJid from);