diff --git a/core/modules/field_sql_storage/lib/Drupal/field_sql_storage/Tests/FieldSqlStorageTest.php b/core/modules/field_sql_storage/lib/Drupal/field_sql_storage/Tests/FieldSqlStorageTest.php
index 28d4806..00ebd9c 100644
--- a/core/modules/field_sql_storage/lib/Drupal/field_sql_storage/Tests/FieldSqlStorageTest.php
+++ b/core/modules/field_sql_storage/lib/Drupal/field_sql_storage/Tests/FieldSqlStorageTest.php
@@ -506,6 +506,8 @@ function testFieldSqlStorageForeignKeys() {
     $this->assertEqual($schema['foreign keys'][$foreign_key_name]['columns'][$foreign_key_name], 'id', t('Foreign key column name modified after update'));
 
     // Verify the SQL schema.
+    $schemas = _field_sql_storage_schema($field);
+    $schema = $schemas[_field_sql_storage_tablename($field)];
     $this->assertEqual(count($schema['foreign keys']), 1, 'There is 1 foreign key in the schema');
     $foreign_key = reset($schema['foreign keys']);
     $foreign_key_column = _field_sql_storage_columnname($field['field_name'], $foreign_key_name);