diff --git a/includes/entity.property.inc b/includes/entity.property.inc
index 58acd29..bb225db 100644
--- a/includes/entity.property.inc
+++ b/includes/entity.property.inc
@@ -251,8 +251,11 @@ function entity_property_verify_data_type($data, $type) {
  *   The entity type to create an entity for.
  * @param $values
  *   An array of values as described by the entity's property info. All entity
- *   properties of the given entiy type that are marked as required, are
- *   required.
+ *   properties of the given entity type that are marked as required, must be
+ *   present.
+ *   If the passed values have no matching property, their value will be
+ *   assigned to the entity directly, without the user of the metadata-wrapper
+ *   property.
  *
  * @return EntityDrupalWrapper
  *   An EntityDrupalWrapper wrapping the newly created entity or FALSE, if
@@ -269,7 +272,12 @@ function entity_property_values_create_entity($entity_type, $values = array()) {
     $wrapper = entity_metadata_wrapper($entity_type, $entity);
     foreach ($values as $key => $value) {
       if (!in_array($key, $info['entity keys'])) {
-        $wrapper->$key->set($value);
+        if (isset($wrapper->$key)) {
+          $wrapper->$key->set($value);
+        }
+        else {
+          $entity->$key = $value;
+        }
       }
     }
     return $wrapper;