diff --git a/core/lib/Drupal/Core/Entity/ContentEntityBase.php b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
index 5471fbc..7fbae5b 100644
--- a/core/lib/Drupal/Core/Entity/ContentEntityBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
@@ -584,7 +584,12 @@ public function getFieldValue($field_name, $property, $delta = 0) {
     }
 
     // Fall back to access the property through the field object.
-    return $this->get($field_name)->$property;
+    $field_value = $this->get($field_name)->get($delta);
+    if ($field_value !== NULL) {
+      return $field_value->$property
+    }
+    // $delta does not exist in value list.
+    return NULL;
   }
 
   /**