diff --git a/taxonomy_manager.admin.inc b/taxonomy_manager.admin.inc
index d768cc9..30ca36c 100644
--- a/taxonomy_manager.admin.inc
+++ b/taxonomy_manager.admin.inc
@@ -1752,16 +1752,17 @@ function taxonomy_manager_term_data_form_submit_parents_add($form, &$form_state)
     $term->parent = array();
   }
 
+  // get the current parents first
+  $current_parents = taxonomy_get_parents($term->tid);
+  foreach ($current_parents as $key => $value) {
+    $term->parent[] = $key;
+  }
+
+  // add on the new parent
   foreach ($typed_terms as $parent_info) {
     $term->parent[] = $parent_info['tid'];
   }
 
-  //remove root level entry
-  db_delete('taxonomy_term_hierarchy')
-    ->condition('tid', $term->tid)
-    ->condition('parent', 0)
-    ->execute();
-
   taxonomy_term_save($term); //executes hooks and clears caches
   taxonomy_manager_update_voc($term->vid, taxonomy_get_parents($term->tid)); // update hierarchy settings, if necessary
   drupal_set_message(t('Updated hierarchy'));
@@ -1793,13 +1794,16 @@ function taxonomy_manager_term_data_form_submit_parents_remove($form, &$form_sta
     $term->parent = array();
   }
 
-  // Ensure that a term has a least parent 0.
-  if (count($parents) == 1) {
+  if (count($parents) <= 1) {
+    // ensure that a term has a least parent 0
     $term->parent[] = 0;
+  } else {
+    unset($parents[$parent]);
+    foreach($parents as $key => $value) {
+      $term->parent[] = $key;
+    }
   }
 
-  $term->parent = array_diff($term->parent, array($parent));
-
   taxonomy_term_save($term); //executes hooks and clears caches
   drupal_set_message(t("Removed parent"));
   $form_state['rebuild'] = TRUE;
@@ -2575,7 +2579,7 @@ function taxonomy_manager_export_csv($tree, $delimiter = ";") {
     $array[] = '"' . $term->tid . '"';
     $array[] = '"' . $term->name . '"';
     $array[] = '"' . $term->description . '"';
-    foreach ($term->parents as $parent) {
+    foreach ($term->parent as $parent) {
       $array[] = '"' . $parent . '"';
     }
     $output .= implode($delimiter, $array) . "\n";