diff --git a/aprendizations/learnapp.py b/aprendizations/learnapp.py
index 9d34de0..a4d3cf7 100644
--- a/aprendizations/learnapp.py
+++ b/aprendizations/learnapp.py
@@ -276,7 +276,7 @@ class Application():
             date: str = str(student_state.get_topic_date(tid))
             logger.info('User "%s" finished topic "%s" (level=%.2f)', uid, tid, level)
 
-            with Session(self._engine) as session:
+            with Session(self._engine).no_autoflush as session:
                 query = select(StudentTopic) \
                         .where(StudentTopic.student_id == uid) \
                         .where(StudentTopic.topic_id == tid)
--
libgit2 0.21.2