diff --git a/framework/core/src/Discussion/Search/Gambit/FulltextGambit.php b/framework/core/src/Discussion/Search/Gambit/FulltextGambit.php
index 46e4b3da1..ab788393e 100644
--- a/framework/core/src/Discussion/Search/Gambit/FulltextGambit.php
+++ b/framework/core/src/Discussion/Search/Gambit/FulltextGambit.php
@@ -52,7 +52,7 @@ class FulltextGambit implements GambitInterface
         // discussions that have a relevant title or that contain relevant posts.
         $query
             ->addSelect('posts_ft.most_relevant_post_id')
-            ->join(
+            ->leftJoin(
                 new Expression('('.$subquery->toSql().') '.$grammar->wrapTable('posts_ft')),
                 'posts_ft.discussion_id', '=', 'discussions.id'
             )