diff --git a/sqlalchemy_utils/functions/sort_query.py b/sqlalchemy_utils/functions/sort_query.py
index 650180d..5af1ed9 100644
--- a/sqlalchemy_utils/functions/sort_query.py
+++ b/sqlalchemy_utils/functions/sort_query.py
@@ -71,7 +71,9 @@ class QuerySorter(object):
 
         # Check hybrid properties.
         if hasattr(entity, sort['attr']):
-            return self.query.order_by(getattr(entity, sort['attr']))
+            return self.query.order_by(
+                sort['func'](getattr(entity, sort['attr']))
+            )
 
         return self.query
 
diff --git a/tests/test_sort_query.py b/tests/test_sort_query.py
index cbc87c1..31a83c4 100644
--- a/tests/test_sort_query.py
+++ b/tests/test_sort_query.py
@@ -98,3 +98,11 @@ class TestSortQuery(TestCase):
         query = self.session.query(self.Category)
         query = sort_query(query, 'articles_count')
         assert 'ORDER BY (SELECT count(article.id) AS count_1' in str(query)
+
+    def test_sort_by_hybrid_property_descending(self):
+        query = self.session.query(self.Category)
+        query = sort_query(query, '-articles_count')
+        assert (
+            'ORDER BY (SELECT count(article.id) AS count_1'
+        ) in str(query)
+        assert ' DESC' in str(query)