diff --git a/src/Core/ACL.php b/src/Core/ACL.php
index ae05fd1360..c258e0d0bf 100644
--- a/src/Core/ACL.php
+++ b/src/Core/ACL.php
@@ -180,7 +180,7 @@ class ACL extends BaseObject
 		$o .= "<select name=\"$selname\" id=\"$selclass\" class=\"$selclass\" size=\"$size\"$tabindex_attr$hidepreselected>\r\n";
 
 		$stmt = dba::p("SELECT `id`, `name`, `url`, `network` FROM `contact`
-			WHERE `uid` = %d AND NOT `self` AND NOT `blocked` AND NOT `pending` AND NOT `archive` AND `notify` != ''
+			WHERE `uid` = ? AND NOT `self` AND NOT `blocked` AND NOT `pending` AND NOT `archive` AND `notify` != ''
 			$sql_extra
 			ORDER BY `name` ASC ", intval(local_user())
 		);
diff --git a/src/Core/Protocol.php b/src/Core/Protocol.php
index 3d3ef21b9c..4467bf0027 100644
--- a/src/Core/Protocol.php
+++ b/src/Core/Protocol.php
@@ -119,6 +119,6 @@ class Protocol
 	 */
 	public static function formatMention($profile_url, $display_name)
 	{
-		return $display_name . '(' . self::getAddrFromProfileUrl($profile_url) . ')';
+		return $display_name . ' (' . self::getAddrFromProfileUrl($profile_url) . ')';
 	}
 }