diff --git a/title.core.inc b/title.core.inc
index c346717..ef8a2a0 100644
--- a/title.core.inc
+++ b/title.core.inc
@@ -109,6 +109,11 @@ function title_field_term_description_submit($entity_type, $entity, $legacy_fiel
     if (isset($entity->{$info['field']['field_name']}[$langcode][0][$key])) {
       $values['description'][$key] = $entity->{$info['field']['field_name']}[$langcode][0][$key];
     }
+    // If the keys are not defined an empty value has been submitted, hence we
+    // need to update the term description accordingly.
+    else {
+      $values['description'][$key] = ($key == 'value') ?  '' : filter_default_format();
+    }
   }
 }