diff --git a/lib/class/helpable.php b/lib/class/helpable.php
index 2a6b71c..2711cfe 100644
--- a/lib/class/helpable.php
+++ b/lib/class/helpable.php
@@ -218,7 +218,7 @@ abstract class HelpableSingleton {
 					return call_user_func_array(array($obj, $name), $args);
 				}
 			}
-			if (is_a($obj, 'Callable')) {
+			if (is_a($obj, 'Callable2')) {
 				return call_user_func_array(array($obj, $name), $args);
 			}
 		}
@@ -231,7 +231,7 @@ abstract class HelpableSingleton {
  *
  * class implementing this will be able to send calls to other nested classes
  */
-interface Callable {
+interface Callable2 {
 	public function __call($name, $args);
 	/*
 	public function __call($name, $args) {
@@ -244,4 +244,4 @@ interface Callable {
 		throw new AppException('Unknown method '.$name.' in '.__CLASS__.', '.implode(', ',$arr));
 	}
 	*/
-}
\ No newline at end of file
+}
diff --git a/lib/helper/db.php b/lib/helper/db.php
index f323891..b5f5da5 100644
--- a/lib/helper/db.php
+++ b/lib/helper/db.php
@@ -14,7 +14,7 @@
  * 
  * Database helper to give Models (or other classes) database capabilities
  */
-class DbHelper extends Helper implements Callable {
+class DbHelper extends Helper implements Callable2 {
 
 	protected $db;
 	protected $qry;
@@ -646,4 +646,4 @@ class DbQueryHelper {
 		return $db->escapeString($param);
 	}
 	
-}
\ No newline at end of file
+}