--- vocabulary.module	2011-03-11 06:01:46.000000000 -0500
+++ vocabulary-patched.module	2013-09-26 14:51:52.000000000 -0400
@@ -180,7 +180,7 @@
   $variables['classes_array'][] = 'vocabulary-' . $vocabulary->machine_name;
 
   // Clean up name so there are no underscores.
-  $variables['theme_hook_suggestions'][] = 'taxonomy-vocabulary__' . $vocabulary->machine_name;
+  $variables['theme_hook_suggestions'][] = 'taxonomy_vocabulary__' . $vocabulary->machine_name;
 }
 
 /**