diff --git a/src/backend/utils/adt/xml.c b/src/backend/utils/adt/xml.c
index 2e84fac1d7..c98f98b25e 100644
--- a/src/backend/utils/adt/xml.c
+++ b/src/backend/utils/adt/xml.c
@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/backend/utils/adt/xml.c,v 1.44 2007/06/06 23:00:39 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/xml.c,v 1.45 2007/07/12 21:04:45 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2806,8 +2806,8 @@ map_sql_type_to_xmlschema_type(Oid typeoid, int typmod)
" \n"
" \n"
" \n",
- -((INT64CONST(1) << (sizeof(int64) * 8 - 1)) + 1),
- (INT64CONST(1) << (sizeof(int64) * 8 - 1)));
+ (((uint64) 1) << (sizeof(int64) * 8 - 1)) - 1,
+ (((uint64) 1) << (sizeof(int64) * 8 - 1)));
break;
case FLOAT4OID: