diff --git a/resolvers/stat.py b/resolvers/stat.py
index a3df3db3..cca391d3 100644
--- a/resolvers/stat.py
+++ b/resolvers/stat.py
@@ -25,7 +25,7 @@ def add_topic_stat_columns(q):
         aliased_shout.published_at.is_not(None),
         aliased_shout.deleted_at.is_(None)
     ))
-    q = q.outerjoin(aliased_authors, aliased_shout.authors.has(aliased_authors.author))
+    q = q.outerjoin(aliased_authors, aliased_shout.authors.any(author=aliased_authors.author))
     q = q.add_columns(
         func.count(distinct(aliased_authors.author)).label('authors_stat')
     )