AMQNET-623: Error logged during connection close when broker is down
diff --git a/src/NMS.AMQP/Provider/Failover/FailoverProvider.cs b/src/NMS.AMQP/Provider/Failover/FailoverProvider.cs
index 923ab83..3a95a27 100644
--- a/src/NMS.AMQP/Provider/Failover/FailoverProvider.cs
+++ b/src/NMS.AMQP/Provider/Failover/FailoverProvider.cs
@@ -255,7 +255,7 @@
             {
                 try
                 {
-                    provider.Close();
+                    provider?.Close();
                 }
                 catch (Exception e)
                 {