diff --git a/core/includes/config.inc b/core/includes/config.inc
index f6af4ad..6cebc9e 100644
--- a/core/includes/config.inc
+++ b/core/includes/config.inc
@@ -41,17 +41,17 @@ function config_install_default_config($type, $name) {
       continue;
     }
     $source_storage = new FileStorage($config_dir);
-    $config_changes['create'] = array();
-    // Other extensions may only provide default configuration for configuration
-    // entities. Static extension settings must not be overridden.
-    foreach ($config_entity_types as $entity_type => $entity_info) {
-      $config_changes['create'] = $source_storage->listAll($entity_info['config_prefix'] . '.');
-    }
-    // For the extension being installed, list all configuration objects, and
-    // ensure that a default configuration of the extension takes precedence (in
-    // case an identical name appears in another extension).
+    // For the extension being installed, install all configuration objects.
     if ($extension == $name) {
-      $config_changes['create'] = array_merge($config_changes['create'], $source_storage->listAll($extension . '.'));
+      $config_changes['create'] = $source_storage->listAll($extension . '.');
+    }
+    // Other extensions may only provide default configuration for configuration
+    // entities. Static settings can neither be provided nor overridden.
+    else {
+      $config_changes['create'] = array();
+      foreach ($config_entity_types as $entity_type => $entity_info) {
+        $config_changes['create'] = $source_storage->listAll($entity_info['config_prefix'] . '.');
+      }
     }
     if (empty($config_changes['create'])) {
       continue;