diff --git biblio.install biblio.install
index de79912..802b00a 100644
--- biblio.install
+++ biblio.install
@@ -1816,7 +1816,9 @@ function biblio_update_6026() {
     variable_del('biblio_block_title');
   }
   return $result;
-}function biblio_update_6027() {
+}
+
+function biblio_update_6027() {
   // renunmber the author rank such that it is zero based accross all categories
   // this only needs to be done for entries that actually have auth_categories other than 1
   require_once(drupal_get_path('module', 'biblio') .'/biblio.contributors.inc');
@@ -1835,3 +1837,13 @@ function biblio_update_6026() {
                     'query' => $mesg);
   return $result;
 }
+
+function biblio_update_6028() {
+  // remove a unused column from the drupal 5 version of biblio
+  // as confirmed in http://drupal.org/node/685088
+  if (db_column_exists('biblio', 'biblio_other_author_affiliations')){
+    $result = array();     
+    db_drop_field($result, 'biblio', 'biblio_other_author_affiliations');
+    return $result;
+  }
+}