Index: audio.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/audio/audio.module,v
retrieving revision 1.156
diff -u -F^function -r1.156 audio.module
--- audio.module	31 Jul 2009 23:20:53 -0000	1.156
+++ audio.module	17 Oct 2009 04:03:07 -0000
@@ -734,7 +734,7 @@ function audio_form(&$node, &$form_state
   $form['audio']['downloadable'] = array(
     '#type' => 'checkbox',
     '#title' => t('Allow file downloads.'),
-    '#default_value' => !empty($node->audio['downloadable']) ? $node->audio['downloadable'] : variable_get('audio_default_downloadable', 1),
+    '#default_value' => isset($node->audio['downloadable']) ? $node->audio['downloadable'] : variable_get('audio_default_downloadable', 1),
     '#description' => t('If checked, a link will be displayed allowing visitors to download this audio file on to their own computer.') .'<br />'
       . t('<strong>WARNING:</strong> even if you leave this unchecked, clever users will be able to find a way to download the file. This just makes them work a little harder to find the link.'),
   );