diff --git a/kubernetes/contrib/components/ejbca/resources/ejbca-config.sh b/kubernetes/contrib/components/ejbca/resources/ejbca-config.sh
index 2c672e2..94c95d6 100755
--- a/kubernetes/contrib/components/ejbca/resources/ejbca-config.sh
+++ b/kubernetes/contrib/components/ejbca/resources/ejbca-config.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 waitForEjbcaToStart() {
     until $(curl -kI https://localhost:8443/ejbca/publicweb/healthcheck/ejbcahealth --output /dev/null --silent --head --fail)