diff --git a/core/modules/file/file.field.inc b/core/modules/file/file.field.inc
index cbc2246..8b6979c 100644
--- a/core/modules/file/file.field.inc
+++ b/core/modules/file/file.field.inc
@@ -516,7 +516,7 @@ function file_field_widget_value($element, $input = FALSE, $form_state) {
     // If the display field is present make sure its unchecked value is saved.
     $field = field_widget_field($element, $form_state);
     if (empty($input['display'])) {
-      $input['display'] = $field['settings']['display_field'] ? 0 : 1;
+      $input['display'] = !empty($field['settings']['display_field']) ? 0 : 1;
     }
   }