diff --git a/migrations/20230219-message-search.sql b/migrations/20230219-message-search.sql
index 9388ec250..8041079d4 100644
--- a/migrations/20230219-message-search.sql
+++ b/migrations/20230219-message-search.sql
@@ -1 +1 @@
-update comments set body=body_html where body is null and sentto is not null and parent_submission is null;
+update comments set body=body_html where body is null and sentto is not null and parent_submission is null and length(body_html) < 10001;