--- ad.module.orig	2012-04-19 23:19:45.897935925 +0200
+++ ad.module	2012-04-19 23:20:57.185934621 +0200
@@ -573,8 +573,7 @@ function ad_access($op, $node, $account)
       // Return false if user doesn't have basic permissions to view
       // advertisements.  Don't return true to let default Drupal
       // domain/node access checks happen.
-      if (!user_access('show advertisements', $account) &&
-          !user_access('administer advertisements', $account)) {
+      if (!user_access('administer advertisements', $account)) {
         return false;
       }
   }