diff --git a/src/backend/access/nbtree/nbtxlog.c b/src/backend/access/nbtree/nbtxlog.c
index 2b5c8f7377..a13a7366b0 100644
--- a/src/backend/access/nbtree/nbtxlog.c
+++ b/src/backend/access/nbtree/nbtxlog.c
@@ -8,7 +8,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/access/nbtree/nbtxlog.c,v 1.27 2006/03/24 04:32:12 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/access/nbtree/nbtxlog.c,v 1.28 2006/03/28 21:17:23 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -243,7 +243,7 @@ btree_xlog_split(bool onleft, bool isroot,
 	rightsib = (onleft) ? xlrec->otherblk : targetblk;
 
 	/* Left (original) sibling */
-	buffer = XLogReadBuffer(false, reln, leftsib);
+	buffer = XLogReadBuffer(true, reln, leftsib);
 	if (!BufferIsValid(buffer))
 		elog(PANIC, "btree_split_redo: lost left sibling");
 
@@ -504,7 +504,7 @@ btree_xlog_delete_page(bool ismeta,
 	}
 
 	/* Rewrite target page as empty deleted page */
-	buffer = XLogReadBuffer(false, reln, target);
+	buffer = XLogReadBuffer(true, reln, target);
 	if (!BufferIsValid(buffer))
 		elog(PANIC, "btree_delete_page_redo: lost target page");
 	page = (Page) BufferGetPage(buffer);