diff --git a/nat.module b/nat.module
index dc03318..b75f99f 100644
--- a/nat.module
+++ b/nat.module
@@ -234,11 +234,13 @@ function nat_field_formatter_view($entity_type, $entity, $field, $instance, $lan
     else {
       $term = $item['taxonomy_term'];
       $nids = array_keys(nat_get_nids(array($term->tid), FALSE));
-      $element[$delta] = array(
-        '#type' => 'link',
-        '#title' => $term->name,
-        '#href' => "node/" . $nids[0]
-      );
+      if (count($nids)) {
+        $element[$delta] = array(
+          '#type' => 'link',
+          '#title' => $term->name,
+          '#href' => "node/" . $nids[0]
+        );
+      }
     }
   }