diff --git a/elasticsearch/templates/statefulset.yaml b/elasticsearch/templates/statefulset.yaml
index bad72ee14..6d1487281 100644
--- a/elasticsearch/templates/statefulset.yaml
+++ b/elasticsearch/templates/statefulset.yaml
@@ -227,7 +227,7 @@ spec:
         readinessProbe:
           exec:
             command:
-              - sh
+              - bash
               - -c
               - |
                 #!/usr/bin/env bash -e