diff --git a/lib/threadednoticelist.php b/lib/threadednoticelist.php
index 97087ba03a..1a20075cce 100644
--- a/lib/threadednoticelist.php
+++ b/lib/threadednoticelist.php
@@ -391,7 +391,7 @@ abstract class NoticeListActorsItem extends NoticeListItem
             $first = array_slice($items, 0, -1);
             $last = array_slice($items, -1, 1);
             // TRANS: Separator in list of user names like "You, Bob, Mary".
-            $sepataror = _(', ');
+            $separator = _(', ');
             // TRANS: For building a list such as "You, bob, mary and 5 others have favored this notice".
             // TRANS: %1$s is a list of users, separated by a separator (default: ", "), %2$s is the last user in the list.
             return sprintf(_m('FAVELIST', '%1$s and %2$s'), implode($separator, $first), implode($separator, $last));