diff --git a/resources/libraries/minio_helpers.rb b/resources/libraries/minio_helpers.rb
index c49998a..0cd3c97 100644
--- a/resources/libraries/minio_helpers.rb
+++ b/resources/libraries/minio_helpers.rb
@@ -64,7 +64,7 @@ def member_of_replication_cluster?(node_name)
     def add_to_minio_replication(s3_hosts, node_name)
       s3_nodes = s3_hosts.dup
       s3_nodes.delete(node_name)
-      s3_nodes = s3_nodes.join(" ") + " " + node_name
+      s3_nodes = s3_nodes.join(' ') + ' ' + node_name
       system("/usr/local/bin/mcli admin replicate add #{s3_nodes}")
     end