diff --git a/telegram/connect.go b/telegram/connect.go
index d37c5fd..b332352 100644
--- a/telegram/connect.go
+++ b/telegram/connect.go
@@ -234,6 +234,21 @@ func (c *Client) Disconnect(resource string, quit bool) bool {
 		c.sendPresence(args...)
 	}
 
+	if c.Session.MUC {
+		c.locks.mucCacheLock.Lock()
+		for chatID := range c.mucCache {
+			c.sendPresence(
+				gateway.SPFrom(gateway.MUCNODE(chatID)),
+				gateway.SPResource(c.GetMUCNickname(0)),
+				gateway.SPType("unavailable"),
+				gateway.SPMUCAffiliation("none"),
+				gateway.SPMUCRole("none"),
+				gateway.SPMUCStatusCodes([]uint16{110, 332}),
+			)
+		}
+		c.locks.mucCacheLock.Unlock()
+	}
+
 	c.close()
 
 	return true