metatag.admin.inc | 1 +
 metatag.inc       | 1 +
 metatag.module    | 1 +
 3 files changed, 3 insertions(+)

diff --git a/metatag.admin.inc b/metatag.admin.inc
index 17c5911..07b62e9 100644
--- a/metatag.admin.inc
+++ b/metatag.admin.inc
@@ -274,6 +274,7 @@ function metatag_config_edit_form($form, &$form_state, $config) {
   $options['context'] = $contexts[0];
   if ($contexts[0] != 'global') {
     $options['token types'] = array(token_get_entity_mapping('entity', $contexts[0]));
+    drupal_alter('metatag_token_types', $options['token types']);
   }
 
   // Ensure that this configuration is properly compared to its parent 'default'
diff --git a/metatag.inc b/metatag.inc
index 0f0d0a1..e98ab4f 100644
--- a/metatag.inc
+++ b/metatag.inc
@@ -104,6 +104,7 @@ class DrupalTextMetaTag extends DrupalDefaultMetaTag {
 
     $value = $this->data['value'];
     if (empty($options['raw'])) {
+      drupal_alter('metatag_pattern', $value, $options['token data']);
       $value = token_replace($value, $options['token data'], $options);
     }
     $value = strip_tags(decode_entities($value));
diff --git a/metatag.module b/metatag.module
index eca7434..55d465a 100644
--- a/metatag.module
+++ b/metatag.module
@@ -990,6 +990,7 @@ function metatag_field_attach_form($entity_type, $entity, &$form, &$form_state,
 
   $metatags = isset($entity->metatags) ? $entity->metatags : array();
   $options['token types'] = array(token_get_entity_mapping('entity', $entity_type));
+  drupal_alter('metatag_token_types', $options['token types']);
   $options['context'] = $entity_type;
 
   // @todo Remove metatag_form_alter() when http://drupal.org/node/1284642 is fixed in core.