diff --git a/pathauto.inc b/pathauto.inc
index 85c9a75..c38b4bb 100644
--- a/pathauto.inc
+++ b/pathauto.inc
@@ -334,10 +334,10 @@ function pathauto_create_alias($module, $op, $placeholders, $source, $entity_id,
   $context = array(
     'module' => $module,
     'op' => $op,
-    'source' => $source,
+    'source' => &$source,
     'entity_id' => $entity_id,
     'type' => $type,
-    'language' => $language,
+    'language' => &$language,
     'pattern' => $pattern,
   );
   drupal_alter('pathauto_alias', $alias, $context);