diff --git a/src/Plugin/Field/FieldFormatter/StarsFormatter.php b/src/Plugin/Field/FieldFormatter/StarsFormatter.php
index 51d93e2..7f5c103 100644
--- a/src/Plugin/Field/FieldFormatter/StarsFormatter.php
+++ b/src/Plugin/Field/FieldFormatter/StarsFormatter.php
@@ -25,7 +25,7 @@ class StarsFormatter extends FiveStarFormatterBase {
    */
   public static function defaultSettings() {
     return [
-      'fivestar_widget' => 'modules/fivestar/widgets/basic/basic.css',
+      'fivestar_widget' => drupal_get_path('module', 'fivestar') . '/widgets/basic/basic.css',
     ] + parent::defaultSettings();
   }
 
diff --git a/src/Plugin/Field/FieldWidget/StarsWidget.php b/src/Plugin/Field/FieldWidget/StarsWidget.php
index f8e3e02..7861df9 100644
--- a/src/Plugin/Field/FieldWidget/StarsWidget.php
+++ b/src/Plugin/Field/FieldWidget/StarsWidget.php
@@ -25,7 +25,7 @@ class StarsWidget extends FiveStartWidgetBase {
    */
   public static function defaultSettings() {
     return [
-      'fivestar_widget' => 'modules/fivestar/widgets/basic/basic.css',
+      'fivestar_widget' => drupal_get_path('module', 'fivestar') . '/widgets/basic/basic.css',
     ] + parent::defaultSettings();
   }