foo.diff

diff --git a/src/Helpers/GazetteFormHelper.php b/src/Helpers/GazetteFormHelper.php
index d33c9f9..28927a8 100644
--- a/src/Helpers/GazetteFormHelper.php
+++ b/src/Helpers/GazetteFormHelper.php
@@ -105,9 +105,7 @@ class GazetteFormHelper
         $tree = new ArrayList();
 
         foreach ($taxonomyTerms as $taxonomyTerm) {
-            $term = TaxonomyTerm::get()->filter([
-                'Name' => $taxonomyTerm
-            ])->first();
+            $term = GazetteTaxonomyTermExtension::getTaxonomyByName($taxonomyTerm);
 
             if ($term) {
                 $subtree = $term->getSubtree(true, null, null, true);