diff --git a/storage/innobase/trx/trx0trx.cc b/storage/innobase/trx/trx0trx.cc
index 8dedb0d..5a1f564 100644
--- a/storage/innobase/trx/trx0trx.cc
+++ b/storage/innobase/trx/trx0trx.cc
@@ -3183,6 +3183,7 @@ trx_set_rw_mode(
        ut_ad(trx->rsegs.m_redo.rseg == 0);
        ut_ad(!trx->in_rw_trx_list);
        ut_ad(!trx_is_autocommit_non_locking(trx));
+        ut_ad(!trx->read_only);

        if (srv_force_recovery >= SRV_FORCE_NO_TRX_UNDO) {
                return;
@@ -3222,11 +3223,9 @@ trx_set_rw_mode(
        }
 #endif /* UNIV_DEBUG */

-       if (!trx->read_only) {
                UT_LIST_ADD_FIRST(trx_sys->rw_trx_list, trx);

                ut_d(trx->in_rw_trx_list = true);
-       }

        mutex_exit(&trx_sys->mutex);
 }