diff --git a/docker/centos/binary/rabbitmq/start.sh b/docker/centos/binary/rabbitmq/start.sh
index 3284368f3b..f70c348668 100755
--- a/docker/centos/binary/rabbitmq/start.sh
+++ b/docker/centos/binary/rabbitmq/start.sh
@@ -8,13 +8,13 @@ set -e
 : ${RABBITMQ_LOG_BASE:=/var/log/rabbitmq}
 
 sed -i '
-	s|@RABBITMQ_USER@|'"$RABBITMQ_USER"'|g
-	s|@RABBITMQ_PASS@|'"$RABBITMQ_PASS"'|g
+    s|@RABBITMQ_USER@|'"$RABBITMQ_USER"'|g
+    s|@RABBITMQ_PASS@|'"$RABBITMQ_PASS"'|g
 ' /etc/rabbitmq/rabbitmq.config
 
 sed -i '
-	s|@RABBITMQ_NODENAME@|'"$RABBITMQ_NODENAME"'|g
-	s|@RABBITMQ_LOG_BASE@|'"$RABBITMQ_LOG_BASE"'|g
+    s|@RABBITMQ_NODENAME@|'"$RABBITMQ_NODENAME"'|g
+    s|@RABBITMQ_LOG_BASE@|'"$RABBITMQ_LOG_BASE"'|g
 ' /etc/rabbitmq/rabbitmq-env.conf
 
 # work around: