diff --git a/cps/db.py b/cps/db.py
index 81f46b81..70b4105b 100644
--- a/cps/db.py
+++ b/cps/db.py
@@ -993,7 +993,12 @@ class CalibreDB:
                 title = title[len(prep):] + ', ' + prep
             return title.strip()
 
-        conn = conn or self.session.connection().connection.driver_connection
+        try:
+            # sqlalchemy <1.4.24
+            conn = conn or self.session.connection().connection.driver_connection
+        except AttributeError:
+            # sqlalchemy >1.4.24 and sqlalchemy 2.0
+            conn = conn or self.session.connection().connection.connection
         try:
             conn.create_function("title_sort", 1, _title_sort)
         except sqliteOperationalError: