diff --git a/modules/field_ui/field_ui.admin.inc b/modules/field_ui/field_ui.admin.inc
index dcfd7eca4060f516d86da1ee3cb418ab648f3ee5..7ce4903631c5304bebec1c8f48c5c914247d354a 100644
--- a/modules/field_ui/field_ui.admin.inc
+++ b/modules/field_ui/field_ui.admin.inc
@@ -1114,7 +1114,7 @@ function field_ui_display_overview_form($form, &$form_state, $entity_type, $bund
     '#op' => 'refresh_table',
     // Do not check errors, but make sure we get the values of the
     // 'refresh_rows' input.
-    '#limit_validation_errors' => array('refresh_rows'),
+    '#limit_validation_errors' => array(array('refresh_rows')),
     '#submit' => array('field_ui_display_overview_multistep_submit'),
     '#ajax' => array(
       'callback' => 'field_ui_display_overview_multistep_js',