diff --git a/wp-includes/cron.php b/wp-includes/cron.php
index 416803a9b..b31e83565 100644
--- a/wp-includes/cron.php
+++ b/wp-includes/cron.php
@@ -130,10 +130,13 @@ function wp_unschedule_event( $timestamp, $hook, $args = array() ) {
  * @since 2.1.0
  *
  * @param string $hook Action hook, the execution of which will be unscheduled.
- * @param mixed $args,... Optional. Event arguments.
+ * @param array $args Optional. Arguments that were to be pass to the hook's callback function.
  */
-function wp_clear_scheduled_hook( $hook ) {
-	$args = array_slice( func_get_args(), 1 );
+function wp_clear_scheduled_hook( $hook, $args = array() ) {
+	// Backward compatibility
+	// Previously this function took the arguments as discrete vars rather than an array like the rest of the API
+	if ( !is_array($args) )
+		$args = array_slice( func_get_args(), 1 );
 
 	while ( $timestamp = wp_next_scheduled( $hook, $args ) )
 		wp_unschedule_event( $timestamp, $hook, $args );