diff --git a/core/modules/config/src/Form/ConfigSingleExportForm.php b/core/modules/config/src/Form/ConfigSingleExportForm.php
index d278e79..8c36f70 100644
--- a/core/modules/config/src/Form/ConfigSingleExportForm.php
+++ b/core/modules/config/src/Form/ConfigSingleExportForm.php
@@ -145,15 +145,21 @@ public function updateConfigurationType($form, FormStateInterface $form_state) {
   public function updateExport($form, FormStateInterface $form_state) {
     // Determine the full config name for the selected config entity.
     if ($form_state->getValue('config_type') !== 'system.simple') {
+      $value = $this->entityManager
+        ->getStorage($form_state->getValue('config_type'))
+        ->load($form_state->getValue('config_name'))
+        ->toArray();
+
       $definition = $this->entityManager->getDefinition($form_state->getValue('config_type'));
       $name = $definition->getConfigPrefix() . '.' . $form_state->getValue('config_name');
     }
     // The config name is used directly for simple configuration.
     else {
       $name = $form_state->getValue('config_name');
+      $value = $this->configStorage->read($name);
     }
     // Read the raw data for this config name, encode it, and display it.
-    $form['export']['#value'] = Yaml::encode($this->configStorage->read($name));
+    $form['export']['#value'] = Yaml::encode($value);
     $form['export']['#description'] = $this->t('Filename: %name', array('%name' => $name . '.yml'));
     return $form['export'];
   }