--- old-drupal-fresh-1/sites/all/modules/og_vocab/og_vocab.module	2007-08-28 10:26:36.531250000 +0100
+++ new-drupal-fresh-1/sites/all/modules/og_vocab/og_vocab.module	2007-08-28 10:26:42.390625000 +0100
@@ -190,6 +190,14 @@
         if (!count(element_children($form['taxonomy']))) {
           unset($form['taxonomy']);
         }
+        
+        // If there's only one element remove the fieldset but keep the children
+        if (count(element_children($form['taxonomy'])) == 1) {
+          unset($form['taxonomy']['#type']);
+          unset($form['taxonomy']['#title']);
+          unset($form['taxonomy']['#collapsible']);
+          unset($form['taxonomy']['#collapsed']);
+        }
       }
       break;  
   }