--- menu_per_role.install.orig	2009-03-17 23:54:50.000000000 -0600
+++ menu_per_role.install	2009-03-21 17:35:51.000000000 -0600
@@ -58,7 +58,7 @@ function menu_per_role_update_6000() {
     $mid[$row['mid']][] = $row['rid'];
   }
 
-  db_query('DELETE FROM menu_per_role');
+  db_query('DELETE FROM {menu_per_role}');
 
   // delete old schema
   db_drop_field($ret, 'menu_per_role', 'mid');