diff --git a/telegram/utils.go b/telegram/utils.go
index b158c71..ee3bc8b 100644
--- a/telegram/utils.go
+++ b/telegram/utils.go
@@ -2354,10 +2354,21 @@ func (c *Client) GetChatMembers(chatID int64, limited bool, query string, member
 
 // MigrateToMUCs unsubscribes from legacy group chats and invites to MUCs
 func (c *Client) MigrateToMUCs() {
+	var chatIDs []int64
 	for _, chat := range c.GetGroupChats() {
-		c.unsubscribe(chat.Id)
+		chatIDs = append(chatIDs, chat.Id)
+	}
+
+	c.DelayedStatusesLock.Lock()
+	for _, chatID := range chatIDs {
+		delete(c.DelayedStatuses, chatID)
+	}
+	c.DelayedStatusesLock.Unlock()
+
+	for _, chatID := range chatIDs {
+		c.unsubscribe(chatID)
 		for resource := range c.resourcesRange() {
-			gateway.InviteToMUC(chat.Id, c.jid+"/"+resource, c.xmpp)
+			gateway.InviteToMUC(chatID, c.jid+"/"+resource, c.xmpp)
 		}
 	}
 }