diff --git a/src/wp-includes/class-wp-customize-setting.php b/src/wp-includes/class-wp-customize-setting.php
index 4bca442..f90bf72 100644
--- a/src/wp-includes/class-wp-customize-setting.php
+++ b/src/wp-includes/class-wp-customize-setting.php
@@ -130,8 +130,10 @@ class WP_Customize_Setting {
 				 * The dynamic portion of the hook name, $this->id, refers to the setting ID.
 				 *
 				 * @since 3.4.0
+				 *
+				 * @param WP_Customize_Setting $this WP_Customize_Setting instance.
 				 */
-				do_action( 'customize_preview_' . $this->id );
+				do_action( 'customize_preview_' . $this->id, $this );
 		}
 	}
 
@@ -247,8 +249,9 @@ class WP_Customize_Setting {
 				 * @since 3.4.0
 				 *
 				 * @param mixed $value Value of the setting.
+				 * @param WP_Customize_Setting $this WP_Customize_Setting instance.
 				 */
-				return do_action( 'customize_update_' . $this->type, $value );
+				return do_action( 'customize_update_' . $this->type, $value, $this );
 		}
 	}