diff --git a/includes/fboauth.fboauth.inc b/includes/fboauth.fboauth.inc
index 92f6458..152e954 100644
--- a/includes/fboauth.fboauth.inc
+++ b/includes/fboauth.fboauth.inc
@@ -520,6 +520,7 @@ function fboauth_user_properties($include_common = FALSE) {
     );
     ksort($properties);
   }
+  drupal_alter('fboauth_user_properties', $properties);
 
   return $properties;
 }