diff --git a/src/backend/access/heap/rewriteheap.c b/src/backend/access/heap/rewriteheap.c
index 96d6d6f2c02..be389c647aa 100644
--- a/src/backend/access/heap/rewriteheap.c
+++ b/src/backend/access/heap/rewriteheap.c
@@ -96,7 +96,7 @@
  * Portions Copyright (c) 1994-5, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/access/heap/rewriteheap.c,v 1.3 2007/04/17 21:29:31 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/access/heap/rewriteheap.c,v 1.4 2007/05/16 16:36:56 alvherre Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -538,6 +538,8 @@ raw_heap_insert(RewriteState state, HeapTuple tup)
 	OffsetNumber	newoff;
 	HeapTuple		heaptup;
 
+	heap_freeze_tuple(tup->t_data, state->rs_oldest_xmin, InvalidBuffer);
+
 	/*
 	 * If the new tuple is too big for storage or contains already toasted
 	 * out-of-line attributes from some other relation, invoke the toaster.