diff --git a/modules/setup/application/views/scripts/form/setup-welcome.phtml b/modules/setup/application/views/scripts/form/setup-welcome.phtml
index dc275b233..09810bce5 100644
--- a/modules/setup/application/views/scripts/form/setup-welcome.phtml
+++ b/modules/setup/application/views/scripts/form/setup-welcome.phtml
@@ -101,7 +101,7 @@ if (! (false === ($distro = Platform::getLinuxDistro(1)) || $distro === 'linux')
       </div>
       <p><?= $this->translate('In case the IcingaCLI is missing you can create the token manually:'); ?></p>
       <div class="code">
-        <span>su <?= $phpUser ?: $this->translate('<your-webserver-user>'); ?> -c "mkdir -m 2770 <?= dirname($setupTokenPath); ?>; chgrp icingaweb2 <?= dirname($setupTokenPath); ?>; head -c 12 /dev/urandom | base64 | tee <?= $setupTokenPath; ?>; chmod 0660 <?= $setupTokenPath; ?>;";</span>
+        <span>su <?= $phpUser ?: $this->translate('<your-webserver-user>'); ?> -s /bin/sh -c "mkdir -m 2770 <?= dirname($setupTokenPath); ?>; chgrp icingaweb2 <?= dirname($setupTokenPath); ?>; head -c 12 /dev/urandom | base64 | tee <?= $setupTokenPath; ?>; chmod 0660 <?= $setupTokenPath; ?>;";</span>
       </div>
       <p><?= sprintf(
         $this->translate('Please see the %s for an extensive description on how to access and use this wizard.'),