diff --git a/templates/molgenis/4/docker-compose.yml b/templates/molgenis/4/docker-compose.yml
index f25d9c7..75ad362 100644
--- a/templates/molgenis/4/docker-compose.yml
+++ b/templates/molgenis/4/docker-compose.yml
@@ -12,8 +12,8 @@
       - "db_driver=org.postgresql.Driver"
       - "db_user=molgenis"
       - "db_password=molgenis"
-      - "elasticsearch.cluster.name:molgenis"
-      - "elasticsearch.transport.addresses:elasticsearch:9300"
+      - "elasticsearch.cluster.name=molgenis"
+      - "elasticsearch.transport.addresses=elasticsearch:9300"
     labels:
       io.rancher.sidekicks: molgenis-data
       io.rancher.container.pull_image: always