diff --git a/openvidu-server/deployments/pro/aws/cfn-openvidu-server-pro-no-market.yaml.template b/openvidu-server/deployments/pro/aws/cfn-openvidu-server-pro-no-market.yaml.template
index b9866bb9..372b363d 100644
--- a/openvidu-server/deployments/pro/aws/cfn-openvidu-server-pro-no-market.yaml.template
+++ b/openvidu-server/deployments/pro/aws/cfn-openvidu-server-pro-no-market.yaml.template
@@ -657,10 +657,10 @@ Resources:
             # Start openvidu application
             pushd /opt/openvidu
             docker-compose up -d
-            if [[ ! -z ${ElasticsearchUrl} ]]; then
+            if [[ ! -z "${ElasticsearchUrl}" ]]; then
               docker-compose stop elasticsearch
             fi
-            if [[ ! -z ${KibanaUrl} ]]; then
+            if [[ ! -z "${KibanaUrl}" ]]; then
               docker-compose stop kibana
             fi
             popd