diff --git a/templates/elasticsearch.j2 b/templates/elasticsearch.j2
index 367bf95..4e64f38 100644
--- a/templates/elasticsearch.j2
+++ b/templates/elasticsearch.j2
@@ -10,9 +10,9 @@ ES_TMPDIR={{ es_tmp_dir }}
 
 # Elasticsearch Java path
 {% if es_java_home | length > 0 %}
-JAVA_HOME={{ es_java_home }}
+ES_JAVA_HOME={{ es_java_home }}
 {% else %}
-#JAVA_HOME=
+#ES_JAVA_HOME=
 {% endif %}
 
 # Elasticsearch configuration directory