diff --git a/src/Dejavu/BlazyDefault.php b/src/Dejavu/BlazyDefault.php
index cae9763..62cfac7 100644
--- a/src/Dejavu/BlazyDefault.php
+++ b/src/Dejavu/BlazyDefault.php
@@ -40,7 +40,7 @@
   public static function imageSettings() {
     return [
       'background'             => FALSE,
-      'box_caption'            => [],
+      'box_caption'            => '',
       'box_caption_custom'     => '',
       'box_style'              => '',
       'breakpoints'            => [],
diff --git a/src/Plugin/Field/FieldFormatter/BlazyFormatter.php b/src/Plugin/Field/FieldFormatter/BlazyFormatter.php
index c537475..a94b4de 100644
--- a/src/Plugin/Field/FieldFormatter/BlazyFormatter.php
+++ b/src/Plugin/Field/FieldFormatter/BlazyFormatter.php
@@ -59,7 +59,7 @@
    * {@inheritdoc}
    */
   public static function defaultSettings() {
-    return ['icon' => FALSE] + BlazyDefault::imageSettings();
+    return BlazyDefault::imageSettings();
   }
 
   /**