diff --git a/cluster-entrypoint.sh b/cluster-entrypoint.sh
index 2c29a55..6667372 100755
--- a/cluster-entrypoint.sh
+++ b/cluster-entrypoint.sh
@@ -9,6 +9,10 @@ set -e
 
 # Do the cluster dance
 rabbitmqctl stop_app
+
+# MUST have this line, otherwise the node will be blocked to join cluster again.
+rabbitmqctl reset
+
 rabbitmqctl join_cluster rabbit@rabbitmq1
 
 # Stop the entire RMQ server. This is done so that we
@@ -20,4 +24,4 @@ rabbitmqctl stop
 sleep 2s
 
 # Start it
-rabbitmq-server
\ No newline at end of file
+rabbitmq-server