Pay Later not sending correct data to template file

I'm not 100% sure what the problem is, but here's the issue I'm experiencing…

in /CRM/Contribute/Form/Contribution/Main.tpl

Line 281 - 292

{if $is_pay_later}

<fieldset class="crm-group pay_later-group">
<legend>

{ts}

Payment Options

{/ts}

</legend>
<div class="crm-section pay_later_receipt-section">
<div class="label"> </div>
<div class="content">
[x] {$pay_later_text}
</div>
<div class="clear"></div>
</div>
</fieldset>

{/if}

Doesn't seem to respect the fact that there is a pay later setting in the contribution page, rather it puts that pay later text in with the main payment processor.

I think it's something to do with

/CRM/Contribute/Form/Contribution/Main.php lines 414 to 436, but not really sure why as the code is a bit lost on me…