diff --git a/devel_generate/devel_generate.fields.inc b/devel_generate/devel_generate.fields.inc
index 147fe9f..fb52142 100644
--- a/devel_generate/devel_generate.fields.inc
+++ b/devel_generate/devel_generate.fields.inc
@@ -60,12 +60,16 @@ function devel_generate_fields(&$object, $obj_type, $bundle) {
         }
       }
     }
+    
+    // set language = undefined for some field types
+    $langcode = ( $field['type'] == 'taxonomy_term_reference' or $field['type'] == 'field_collection') ? LANGUAGE_NONE : $object->language;
+
     // TODO: Completely overriding any existing $object->{$field['field_name']}
     // is necessary here because the forum module has a bug where it
     // initializes the property with incorrect data.
     // @see http://drupal.org/node/652176
     $object->{$field['field_name']} = array(
-      $object->language => $object_field,
+      $langcode => $object_field,
     );
   }
 }