diff --git a/elasticsearch/tasks/configuration.yml b/elasticsearch/tasks/configuration.yml
index 0026af94..50e8c98c 100644
--- a/elasticsearch/tasks/configuration.yml
+++ b/elasticsearch/tasks/configuration.yml
@@ -77,7 +77,7 @@
 - name: Configure cluster members
   lineinfile:
     dest: /etc/elasticsearch/elasticsearch.yml
-    line: "discovery.zen.ping.unicast.hosts:{{ elasticsearch_cluster_members }}"
+    line: "discovery.zen.ping.unicast.hosts: {{ elasticsearch_cluster_members }}"
     regexp: "^discovery.zen.ping.unicast.hosts:"
     insertafter: "^#discovery.zen.ping.unicast.hosts"
   when: elasticsearch_cluster_members|default("", True)
@@ -87,7 +87,7 @@
 - name: Configure minimum master nodes
   lineinfile:
     dest: /etc/elasticsearch/elasticsearch.yml
-    line: "discovery.zen.minimum_master_nodes:{{ elasticsearch_minimum_master_nodes }}"
+    line: "discovery.zen.minimum_master_nodes: {{ elasticsearch_minimum_master_nodes }}"
     regexp: "^discovery.zen.minimum_master_nodes:"
     insertafter: "^#discovery.zen.minimum_master_nodes"
   when: elasticsearch_minimum_master_nodes|default("", True)