diff --git a/src/main/java/eu/siacs/conversations/entities/MucOptions.java b/src/main/java/eu/siacs/conversations/entities/MucOptions.java
index c89b3beab6d1316d7a567f0b0ee127158c57d5a8..63a4b987b32550f9857024e51186e74d6edbf282 100644
--- a/src/main/java/eu/siacs/conversations/entities/MucOptions.java
+++ b/src/main/java/eu/siacs/conversations/entities/MucOptions.java
@@ -342,7 +342,7 @@ public class MucOptions {
         return null;
     }
 
-    public User findUserByOccupantId(final String id) {
+    public User findUserByOccupantId(final String id, final Jid counterpart) {
         if (id == null) {
             return null;
         }
@@ -353,21 +353,24 @@ public class MucOptions {
                 }
             }
         }
-        return new User(this, null, id, null, new HashSet<>());
+        final var user = new User(this, counterpart, id, null, new HashSet<>());
+        user.setOnline(false);
+        return user;
     }
 
-    public User findOrCreateUserByRealJid(Jid jid, Jid fullJid) {
+    public User findOrCreateUserByRealJid(Jid jid, Jid fullJid, final String occupantId) {
         User user = findUserByRealJid(jid);
         if (user == null) {
-            user = new User(this, fullJid, null, null, new HashSet<>());
+            user = new User(this, fullJid, occupantId, null, new HashSet<>());
             user.setRealJid(jid);
+            user.setOnline(false);
         }
         return user;
     }
 
     public User findUser(ReadByMarker readByMarker) {
         if (readByMarker.getRealJid() != null) {
-            return findOrCreateUserByRealJid(readByMarker.getRealJid().asBareJid(), readByMarker.getFullJid());
+            return findOrCreateUserByRealJid(readByMarker.getRealJid().asBareJid(), readByMarker.getFullJid(), null);
         } else if (readByMarker.getFullJid() != null) {
             return findUserByFullJid(readByMarker.getFullJid());
         } else {
@@ -376,11 +379,15 @@ public class MucOptions {
     }
 
     public boolean isContactInRoom(Contact contact) {
-        return contact != null && findUserByRealJid(contact.getJid().asBareJid()) != null;
+        return contact != null && isUserInRoom(findUserByRealJid(contact.getJid().asBareJid()));
     }
 
     public boolean isUserInRoom(Jid jid) {
-        return findUserByFullJid(jid) != null;
+        return isUserInRoom(findUserByFullJid(jid));
+    }
+
+    public boolean isUserInRoom(User user) {
+        return user != null && user.isOnline();
     }
 
     public boolean setOnline() {
@@ -847,6 +854,7 @@ public class MucOptions {
         private ChatState chatState = Config.DEFAULT_CHAT_STATE;
         protected Set<Hat> hats;
         protected String occupantId;
+        protected boolean online = true;
 
         public User(MucOptions options, Jid fullJid, final String occupantId, final String nick, final Set<Hat> hats) {
             this.options = options;
@@ -872,6 +880,14 @@ public class MucOptions {
             return nick == null ? getName() : nick;
         }
 
+        public void setOnline(final boolean o) {
+            online = o;
+        }
+
+        public boolean isOnline() {
+            return fullJid != null && online;
+        }
+
         public Role getRole() {
             return this.role;
         }
diff --git a/src/main/java/eu/siacs/conversations/services/AvatarService.java b/src/main/java/eu/siacs/conversations/services/AvatarService.java
index 7ce19cd3f6e148f58f8f25c7208c4261f02f3a55..09d9c2b949b522d8ad82b8b04264acec40cbbff2 100644
--- a/src/main/java/eu/siacs/conversations/services/AvatarService.java
+++ b/src/main/java/eu/siacs/conversations/services/AvatarService.java
@@ -493,7 +493,7 @@ public class AvatarService implements OnAdvancedStreamFeaturesLoaded {
 				final MucOptions mucOptions = ((Conversation) conversation).getMucOptions();
 				MucOptions.User user;
 				if (trueCounterpart != null) {
-					user = mucOptions.findOrCreateUserByRealJid(trueCounterpart, message.getCounterpart());
+					user = mucOptions.findOrCreateUserByRealJid(trueCounterpart, message.getCounterpart(), null);
 				} else {
 					user = mucOptions.findUserByFullJid(message.getCounterpart());
 				}
diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
index bea107d6ef61a0bcf374ff10522f1830cd89d7e9..3c99544164a0c65437aa3c647ac3d87bc76f816c 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
@@ -4453,14 +4453,14 @@ public class ConversationFragment extends XmppFragment
                     return;
                 }
                 final Jid tcp = message.getTrueCounterpart();
+                final String occupantId = message.getOccupantId();
                 final User userByRealJid =
                         tcp != null
-                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp)
+                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp, occupantId)
                                 : null;
-                final String occupantId = message.getOccupantId();
                 final User userByOccupantId =
                         occupantId != null
-                                ? conversation.getMucOptions().findUserByOccupantId(occupantId)
+                                ? conversation.getMucOptions().findUserByOccupantId(occupantId, cp)
                                 : null;
                 final User user =
                         userByRealJid != null
diff --git a/src/main/java/eu/siacs/conversations/ui/util/MucDetailsContextMenuHelper.java b/src/main/java/eu/siacs/conversations/ui/util/MucDetailsContextMenuHelper.java
index fe077a13610b081004bdb0792963f620d1ca0f2a..63e8e7e16625b07bceaaeb18504f2d7797312816 100644
--- a/src/main/java/eu/siacs/conversations/ui/util/MucDetailsContextMenuHelper.java
+++ b/src/main/java/eu/siacs/conversations/ui/util/MucDetailsContextMenuHelper.java
@@ -166,9 +166,9 @@ public final class MucDetailsContextMenuHelper {
                 }
             }
             managePermissions.setVisible(managePermissionsVisible);
-            sendPrivateMessage.setVisible(user.getFullJid() != null && !isGroupChat && mucOptions.allowPm() && user.getRole().ranks(MucOptions.Role.VISITOR));
+            sendPrivateMessage.setVisible(user.isOnline() && !isGroupChat && mucOptions.allowPm() && user.getRole().ranks(MucOptions.Role.VISITOR));
         } else {
-            sendPrivateMessage.setVisible(user != null && user.getFullJid() != null);
+            sendPrivateMessage.setVisible(user != null && user.isOnline());
             sendPrivateMessage.setEnabled(user != null && mucOptions.allowPm() && user.getRole().ranks(MucOptions.Role.VISITOR));
         }
     }