diff --git a/kube/base-components/elasticsearch-deployment.yaml b/kube/base-components/elasticsearch-deployment.yaml
index 9539e05..b4bb176 100644
--- a/kube/base-components/elasticsearch-deployment.yaml
+++ b/kube/base-components/elasticsearch-deployment.yaml
@@ -76,13 +76,9 @@ spec:
           lifecycle:
               postStart:
                 exec:
-                  command:
-                    - "sh"
-                    - "-c"
-                    - |
-                      echo ${S3_CLIENT_ACCESS_KEY} | /usr/share/elasticsearch/bin/elasticsearch-keystore add s3.client.default.access_key --stdin
-                      echo ${S3_CLIENT_SECRET_KEY} | /usr/share/elasticsearch/bin/elasticsearch-keystore add s3.client.default.secret_key --stdin 
-                      /usr/share/elasticsearch/bin/elasticsearch-plugin list | grep -q repository-s3 || /usr/share/elasticsearch/bin/elasticsearch-plugin install --batch repository-s3
+                  command: ["/bin/bash", "-c", "/usr/share/elasticsearch/bin/elasticsearch-plugin list | grep -q repository-s3 || /usr/share/elasticsearch/bin/elasticsearch-plugin install --batch repository-s3 && \
+                    echo ${S3_CLIENT_ACCESS_KEY} | /usr/share/elasticsearch/bin/elasticsearch-keystore add s3.client.default.access_key --stdin &&\
+                    echo ${S3_CLIENT_SECRET_KEY} | /usr/share/elasticsearch/bin/elasticsearch-keystore add s3.client.default.secret_key --stdin"]
       volumes:
         - name: es-data
           persistentVolumeClaim: