diff --git a/modules/custom/az_paragraphs/src/Plugin/Field/FieldFormatter/AZBackgroundMediaFormatter.php b/modules/custom/az_paragraphs/src/Plugin/Field/FieldFormatter/AZBackgroundMediaFormatter.php
index f8030f6ef9..ac7e2b31e5 100644
--- a/modules/custom/az_paragraphs/src/Plugin/Field/FieldFormatter/AZBackgroundMediaFormatter.php
+++ b/modules/custom/az_paragraphs/src/Plugin/Field/FieldFormatter/AZBackgroundMediaFormatter.php
@@ -430,7 +430,7 @@ protected function getAllSettings(FieldItemListInterface $items): array {
     $all_settings = [];
     // Paragraph instance settings override everything.
     $paragraph_settings = $this->getParagraphSettings($items);
-    $all_settings += $paragraph_settings['az_text_media_paragraph_behavior'];
+    $all_settings += $paragraph_settings['az_text_media_paragraph_behavior'] ?? [];
     // Field formatter settings.
     $all_settings += $this->getSettings();
     // Fill in all the rest of the required settings.