diff --git a/includes/flag.admin.inc b/includes/flag.admin.inc
index 4ab59d6..b7ae4fa 100644
--- a/includes/flag.admin.inc
+++ b/includes/flag.admin.inc
@@ -670,6 +670,15 @@ function flag_form_submit($form, &$form_state) {
   // We clear caches more vigorously if the flag was new.
   _flag_clear_cache(!empty($flag->is_new));
 
+  // Clear FieldAPI's field_extra cache, so our changes to pseudofields are
+  // noticed. It's rather too much effort to both a) check whether the
+  // pseudofield setting has changed either way, and b) specifically clear just
+  // the bundles that are (or were!!) affected, so we just clear for all bundles
+  // on our entity type regardlesss.
+  // TODO: fold this into _flag_clear_cache().
+  // @see https://drupal.org/node/2056275
+  cache_clear_all("field_info:bundle_extra:$flag->entity_type:", 'cache_field', TRUE);
+
   // Save permissions.
   // This needs to be done after the flag cache has been cleared, so that
   // the new permissions are picked up by hook_permission().