diff --git a/src/endpoints_handlers/PostDiaryExecutor.h b/src/endpoints_handlers/PostDiaryExecutor.h
index 3edcefe..c4b9080 100644
--- a/src/endpoints_handlers/PostDiaryExecutor.h
+++ b/src/endpoints_handlers/PostDiaryExecutor.h
@@ -90,15 +90,19 @@ public:
 
     try
     {
+      session_.startTransaction();
       diaries_dao_->СreateDiary(user_uuid, dto);
+      session_.commit();
     }
     catch (const mysqlx::Error& e)
     {
+      session_.rollback();
       BOOST_LOG_TRIVIAL(error) << "MySQL Error: " << e.what();
       throw session_exception(http::status::internal_server_error, "Internal Server Error");
     }
     catch (const std::exception& e)
     {
+      session_.rollback();
       BOOST_LOG_TRIVIAL(error) << "Unexpected Error: " << e.what();
       throw session_exception(http::status::internal_server_error, "Internal Server Error");
     }