diff --git 1/rabbitmq.install 2/rabbitmq_patched.install
index da2df1a37..a8c1b48be 100644
--- 1/rabbitmq.install
+++ 2/rabbitmq_patched.install
@@ -4,7 +4,7 @@ post_install() {
     useradd -r -u 197 -g rabbitmq -d /var/lib/rabbitmq -s /bin/nologin -c 'RabbitMQ user' rabbitmq &>/dev/null
     passwd -l rabbitmq &>/dev/null
   fi
-  sed -e "/NODENAME/s/rabbit/rabbit@$(hostname -s)/" -i /etc/rabbitmq/rabbitmq-env.conf
+  sed -e "/NODENAME/s/rabbit$/rabbit@$(hostname -s)/" -i /etc/rabbitmq/rabbitmq-env.conf
 }
 
 post_upgrade() {