diff --git a/jicoco/src/main/java/org/jitsi/xmpp/mucclient/MucClient.java b/jicoco/src/main/java/org/jitsi/xmpp/mucclient/MucClient.java
index 3c6c3cd..c22e58d 100644
--- a/jicoco/src/main/java/org/jitsi/xmpp/mucclient/MucClient.java
+++ b/jicoco/src/main/java/org/jitsi/xmpp/mucclient/MucClient.java
@@ -661,6 +661,7 @@ private Callable<Boolean> getConnectAndLoginCallable()
                 catch(Exception e)
                 {
                     logger.warn("Failed to join the MUCs.", e);
+                    xmppConnection.disconnect();
                     return true;
                 }
             }