diff --git a/kibana/templates/deployment.yaml b/kibana/templates/deployment.yaml
index 872876903..0d8b46ba0 100644
--- a/kibana/templates/deployment.yaml
+++ b/kibana/templates/deployment.yaml
@@ -108,7 +108,7 @@ spec:
 {{ toYaml .Values.readinessProbe | indent 10 }}
           exec:
             command:
-              - sh
+              - bash
               - -c
               - |
                 #!/usr/bin/env bash -e