--- a/src/backend/replication/pgoutput/pgoutput.c
+++ b/src/backend/replication/pgoutput/pgoutput.c
@@ -305,7 +305,7 @@ maybe_send_schema(LogicalDecodingContext *ctx,

         /* Map must live as long as the session does. */
         oldctx = MemoryContextSwitchTo(CacheMemoryContext);
-       relentry->map = convert_tuples_by_name(indesc, outdesc);
+       relentry->map =