diff --git a/example/includes/config.yml b/example/includes/config.yml
index 4a73402..7013bd3 100644
--- a/example/includes/config.yml
+++ b/example/includes/config.yml
@@ -95,8 +95,8 @@ templates:
 # Translations
 #
 i18n:
-  # Default locale (see locales directory for available languages list)
-  default_locale: 'en_US.UTF8'
+  # Default locale (see locales directory for available languages list, default: 'en_US.UTF8')
+  #default_locale: 'en_US.UTF8'
 
 #
 # Session
diff --git a/example/includes/core.php b/example/includes/core.php
index 30605b3..0bdad7e 100644
--- a/example/includes/core.php
+++ b/example/includes/core.php
@@ -38,6 +38,12 @@ App::init(
         "$root_dir_path/static"
       ),
     ),
+    'default' => array(
+      'upload_max_filesize' => 10485760,
+      'i18n' => array(
+        'default_locale' => "en_US.UTF8",
+      ),
+    ),
   ),
   $root_dir_path
 );
diff --git a/skel/includes/core.php b/skel/includes/core.php
index ac6661d..f3f9420 100644
--- a/skel/includes/core.php
+++ b/skel/includes/core.php
@@ -38,6 +38,9 @@ App::init(
         "$root_dir_path/static"
       ),
     ),
+    'default' => array(
+      // Set here your configuration parameters default value
+    ),
   ),
   $root_dir_path
 );
diff --git a/src/App.php b/src/App.php
index 7fa6480..c043f86 100644
--- a/src/App.php
+++ b/src/App.php
@@ -115,6 +115,7 @@ class App {
    * @return mixed The configuration variable value
    **/
   public static function get($key, $default=null, $cast=null, $split=true) {
+    $default = self :: get_default($key, $default, $cast, $split);
     return Config::get(
       $key,
       Config::loaded()?Config::get($key, $default, $cast, $split):$default,
@@ -124,6 +125,31 @@ class App {
     );
   }
 
+  /**
+   * Get a specific option default value
+   *
+   * @param string $key The configuration variable key
+   * @param mixed $default Default value provided by context
+   *              (optional, priority if not nul, default : null)
+   * @param string $cast   The type of expected value. The configuration variable
+   *                       default value will be cast as this type. Could be : bool, int,
+   *                       float or string. (Optional, default : raw value)
+   * @param bool $split If true, $cast is 'array' and value retreived from configuration
+   *                    is a string, split the value by comma (optional, default: true)
+   * @return mixed The configuration variable default value
+   **/
+  public static function get_default($key, $default=null, $cast=null, $split=true) {
+    if (!is_null($default))
+      return $default;
+    return Config::get(
+      "default.$key",
+      $default,
+      $cast,
+      $split,
+      self :: $options
+    );
+  }
+
   /**
    * Set a specific option value
    *