diff --git a/phpBB/includes/functions_posting.php b/phpBB/includes/functions_posting.php
index 01630b3d0c..01ceae1cb2 100644
--- a/phpBB/includes/functions_posting.php
+++ b/phpBB/includes/functions_posting.php
@@ -730,7 +730,7 @@ function posting_gen_attachment_entry($attachment_data, &$filename_data, $show_a
 		'S_HAS_ATTACHMENTS'				=> count($attachment_data),
 		'FILESIZE'						=> $config['max_filesize'],
 		'FILE_COMMENT'					=> (isset($filename_data['filecomment'])) ? $filename_data['filecomment'] : '',
-		'MAX_ATTACHMENT_FILESIZE'		=> $user->lang('MAX_ATTACHMENT_FILESIZE', get_formatted_filesize($config['max_filesize'])),
+		'MAX_ATTACHMENT_FILESIZE'		=> $config['max_filesize'] > 0 ? $user->lang('MAX_ATTACHMENT_FILESIZE', get_formatted_filesize($config['max_filesize'])) : '',
 	));
 
 	if (count($attachment_data))
diff --git a/phpBB/styles/prosilver/template/posting_attach_body.html b/phpBB/styles/prosilver/template/posting_attach_body.html
index 0d169f7f1a..f304d727f2 100644
--- a/phpBB/styles/prosilver/template/posting_attach_body.html
+++ b/phpBB/styles/prosilver/template/posting_attach_body.html
@@ -2,7 +2,7 @@
 	<div class="inner">
 
 	<p>{L_ADD_ATTACHMENT_EXPLAIN} <span class="hidden" id="drag-n-drop-message">{L_PLUPLOAD_DRAG_TEXTAREA}</span></p>
-	<p>{MAX_ATTACHMENT_FILESIZE}</p>
+	{% if MAX_ATTACHMENT_FILESIZE is not empty %}<p>{{ MAX_ATTACHMENT_FILESIZE }}</p>{% endif %}
 
 	<fieldset class="fields2" id="attach-panel-basic">
 	<dl>