diff --git a/core/lib/Drupal/Core/Field/Plugin/migrate/field/d7/EntityReference.php b/core/lib/Drupal/Core/Field/Plugin/migrate/field/d7/EntityReference.php
index 5975abc..919decb 100644
--- a/core/lib/Drupal/Core/Field/Plugin/migrate/field/d7/EntityReference.php
+++ b/core/lib/Drupal/Core/Field/Plugin/migrate/field/d7/EntityReference.php
@@ -28,7 +28,8 @@ public function getFieldFormatterMap() {
    */
   public function processFieldValues(MigrationInterface $migration, $field_name, $data) {
     $process = [
-      $field_name => $field_name,
+      'plugin' => 'get',
+      'source' => $field_name,
     ];
     $migration->mergeProcessOfProperty($field_name, $process);
   }