diff --git a/module/zfs/spa_history.c b/module/zfs/spa_history.c
index de036d6c3718..040909bb4024 100644
--- a/module/zfs/spa_history.c
+++ b/module/zfs/spa_history.c
@@ -535,6 +535,9 @@ log_internal(nvlist_t *nvl, const char *operation, spa_t *spa,
 	fnvlist_add_uint64(nvl, ZPOOL_HIST_TXG, tx->tx_txg);
 	fnvlist_add_uint64(nvl, ZPOOL_HIST_TIME, gethrestime_sec());
 
+	VERIFY3UF(tx->tx_txg, <=, spa_final_dirty_txg(spa),
+	    "Logged after final txg was set: %s %s", operation, fmt);
+
 	if (dmu_tx_is_syncing(tx)) {
 		spa_history_log_sync(nvl, tx);
 	} else {