--- ./src/zabbix_server/housekeeper/housekeeper.c.orig	2009-12-21 15:57:18.000000000 +0100
+++ ./src/zabbix_server/housekeeper/housekeeper.c.alt1	2009-12-21 15:58:06.000000000 +0100
@@ -68,8 +68,10 @@ static int housekeeping_process_log()
 			housekeeper.field,
 			housekeeper.value);
 #elif defined(HAVE_POSTGRESQL)
-		deleted = DBexecute("delete from %s where oid in (select oid from %s where %s=" ZBX_FS_UI64 " limit 500)",
+		deleted = DBexecute("delete from %s where %s=" ZBX_FS_UI64 " and oid in (select oid from %s where %s=" ZBX_FS_UI64 " limit 500)",
 				housekeeper.tablename,
+				housekeeper.field,
+				housekeeper.value,
 				housekeeper.tablename,
 				housekeeper.field,
 				housekeeper.value);