Store logo to invoice. Code stoped working in 1.5.5.1

Code: Select all

<modification>
	
		<file name="admin/view/template/sale/order_invoice.tpl">
	        	<operation>
		        	<search position="before"><![CDATA[
			<h1><?php echo $text_invoice; ?></h1>
		        	]]></search>
		        	<add><![CDATA[
			<img src="<?php echo HTTP_IMAGE . $this->config->get('config_logo'); ?>">
		        	]]></add>
	        	</operation>
		</file>
	
</modification>