diff --git a/phpBB/includes/ucp/ucp_attachments.php b/phpBB/includes/ucp/ucp_attachments.php
index ab91c4f9f8..ad435aafa7 100644
--- a/phpBB/includes/ucp/ucp_attachments.php
+++ b/phpBB/includes/ucp/ucp_attachments.php
@@ -200,7 +200,7 @@ class ucp_attachments
 
 		$template->assign_vars(array(
 			'TOTAL_ATTACHMENTS'		=> $num_attachments,
-			'NUM_ATTACHMENTS'		=> $user->lang('NUM_ATTACHMENTS', $num_attachments),
+			'NUM_ATTACHMENTS'		=> $user->lang('NUM_ATTACHMENTS', (int) $num_attachments),
 
 			'L_TITLE'				=> $user->lang['UCP_ATTACHMENTS'],