diff --git a/src/Plugin/Field/FieldFormatter/DynamicEntityReferenceEntityFormatter.php b/src/Plugin/Field/FieldFormatter/DynamicEntityReferenceEntityFormatter.php
index 054752d..17970fc 100644
--- a/src/Plugin/Field/FieldFormatter/DynamicEntityReferenceEntityFormatter.php
+++ b/src/Plugin/Field/FieldFormatter/DynamicEntityReferenceEntityFormatter.php
@@ -50,12 +50,17 @@ class DynamicEntityReferenceEntityFormatter extends EntityReferenceEntityFormatt
     $available = array_filter($this->getSettings(), function ($type) use ($entity_type_ids) {
       return in_array($type, array_values($entity_type_ids));
     }, ARRAY_FILTER_USE_KEY);
-    return array_map(function ($entity_type_id, $settings) use ($options) {
-      return t('Rendered %entity as view mode: @mode', [
-        '%entity' => $options[$entity_type_id],
-        '@mode' => $settings['view_mode'],
-      ]);
-    }, array_keys($available), $available);
+    if (!empty($available)) {
+      return array_map(function ($entity_type_id, $settings) use ($options) {
+        return t('Rendered %entity as view mode: @mode', [
+          '%entity' => $options[$entity_type_id],
+          '@mode' => $settings['view_mode'],
+        ]);
+      }, array_keys($available), $available);
+    }
+    else {
+      return [];
+    }
   }
 
   /**