diff --git a/core/includes/config.inc b/core/includes/config.inc
index 3589aa7..3ba1d70 100644
--- a/core/includes/config.inc
+++ b/core/includes/config.inc
@@ -30,17 +30,22 @@ function config_get_config_directory() {
 /**
  * Moves the default config supplied by a module to the live config directory.
  *
- * @param
+ * A specific configuration file can be requested by default all configurations
+ * related to a module will be loaded.
+ *
+ * @param $module
  *   The name of the module we are installing.
+ * @param $config_file
+ *   The name specific configuration file we want to install.
  *
  * @todo Make this acknowledge other storage engines rather than having
  *   SQL be hardcoded.
  */
-function config_install_default_config($module) {
+function config_install_default_config($module, $config_file = '*') {
   $module_config_dir = drupal_get_path('module', $module) . '/config';
   $drupal_config_dir = config_get_config_directory();
   if (is_dir(drupal_get_path('module', $module) . '/config')) {
-    $files = glob($module_config_dir . '/' . '*.xml');
+    $files = glob($module_config_dir . '/' . $config_file . '.xml');
     foreach ($files as $key => $file) {
       // Load config data into the active store and write it out to the
       // file system in the drupal config directory. Note the config name
diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index 199f8c0..a3ac3df 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -1877,6 +1877,7 @@ function system_update_8008() {
  * Moves cron system settings from variable to config.
  */
 function system_update_8009() {
+  config_install_default_config('system', 'system.cron');
   update_variables_to_config('system.cron');
 }
 
@@ -1884,6 +1885,7 @@ function system_update_8009() {
  * Moves system settings from variable to config.
  */
 function system_update_8010() {
+  config_install_default_config('system', 'system.rss-publishing');
   update_variables_to_config('system.rss-publishing');
 }