diff --git a/10broker-config.yml b/10broker-config.yml
index b899401d..312df3b9 100644
--- a/10broker-config.yml
+++ b/10broker-config.yml
@@ -8,7 +8,7 @@ data:
     #!/bin/bash
     set -x
 
-    KAFKA_BROKER_ID=${POD_NAME##*-}
+    KAFKA_BROKER_ID=${HOSTNAME##*-}
     sed -i "s/#init#broker.id=#init#/broker.id=$KAFKA_BROKER_ID/" /etc/kafka/server.properties
 
     hash kubectl 2>/dev/null || {