diff --git a/phpBB/includes/functions_posting.php b/phpBB/includes/functions_posting.php
index b00534d92a..2391bbb85c 100644
--- a/phpBB/includes/functions_posting.php
+++ b/phpBB/includes/functions_posting.php
@@ -770,10 +770,11 @@ function posting_gen_attachment_entry($attachment_data, &$filename_data, $show_a
 
 	// Some default template variables
 	$template->assign_vars(array(
-		'S_SHOW_ATTACH_BOX'	=> $show_attach_box,
-		'S_HAS_ATTACHMENTS'	=> count($attachment_data),
-		'FILESIZE'			=> $config['max_filesize'],
-		'FILE_COMMENT'		=> (isset($filename_data['filecomment'])) ? $filename_data['filecomment'] : '',
+		'S_SHOW_ATTACH_BOX'				=> $show_attach_box,
+		'S_HAS_ATTACHMENTS'				=> count($attachment_data),
+		'FILESIZE'						=> $config['max_filesize'],
+		'FILE_COMMENT'					=> (isset($filename_data['filecomment'])) ? $filename_data['filecomment'] : '',
+		'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/language/en/posting.php b/phpBB/language/en/posting.php
index 639b8d8370..1a6866d535 100644
--- a/phpBB/language/en/posting.php
+++ b/phpBB/language/en/posting.php
@@ -151,6 +151,7 @@ $lang = array_merge($lang, array(
 	'LOGIN_EXPLAIN_QUOTE'		=> 'You need to login in order to quote posts within this forum.',
 	'LOGIN_EXPLAIN_REPLY'		=> 'You need to login in order to reply to topics within this forum.',
 
+	'MAX_ATTACHMENT_FILESIZE'	=> 'Maximum filesize per attachment: %s.',
 	'MAX_FONT_SIZE_EXCEEDED'	=> 'You may only use fonts up to size %d.',
 	'MAX_FLASH_HEIGHT_EXCEEDED'	=> array(
 		1	=> 'Your flash files may only be up to %d pixel high.',
diff --git a/phpBB/styles/prosilver/template/posting_attach_body.html b/phpBB/styles/prosilver/template/posting_attach_body.html
index a21c66500c..b0fa0df23b 100644
--- a/phpBB/styles/prosilver/template/posting_attach_body.html
+++ b/phpBB/styles/prosilver/template/posting_attach_body.html
@@ -2,6 +2,7 @@
 	<div class="inner">
 
 	<p>{L_ADD_ATTACHMENT_EXPLAIN} <span class="hidden" id="drag-n-drop-message">{L_PLUPLOAD_DRAG_TEXTAREA}</span></p>
+	{% if MAX_ATTACHMENT_FILESIZE is not empty %}<p>{{ MAX_ATTACHMENT_FILESIZE }}</p>{% endif %}
 
 	<fieldset class="fields2" id="attach-panel-basic">
 	<dl>