diff --git a/libraries/joomla/event/dispatcher.php b/libraries/joomla/event/dispatcher.php
index c9431ffc4c871..4b034e56f1049 100644
--- a/libraries/joomla/event/dispatcher.php
+++ b/libraries/joomla/event/dispatcher.php
@@ -162,7 +162,7 @@ public function trigger($event, $args = array())
 			// Fire the event for a function based observer.
 			elseif (is_array($this->_observers[$key]))
 			{
-				$value = call_user_func_array($this->_observers[$key]['handler'], $args);
+				$value = call_user_func_array($this->_observers[$key]['handler'], array_values($args));
 			}
 
 			if (isset($value))
diff --git a/libraries/joomla/event/event.php b/libraries/joomla/event/event.php
index 1c46956926ce4..0d00e853256c5 100644
--- a/libraries/joomla/event/event.php
+++ b/libraries/joomla/event/event.php
@@ -67,7 +67,7 @@ public function update(&$args)
 		 */
 		if (method_exists($this, $event))
 		{
-			return call_user_func_array(array($this, $event), $args);
+			return call_user_func_array(array($this, $event), array_values($args));
 		}
 	}
 }