Index: src/wp-includes/option.php
===================================================================
--- src/wp-includes/option.php	(revision 27109)
+++ src/wp-includes/option.php	(working copy)
@@ -226,6 +226,7 @@
 	$value = sanitize_option( $option, $value );
 	$old_value = get_option( $option );
 	$value = apply_filters( 'pre_update_option_' . $option, $value, $old_value );
+	$value = apply_filters( 'pre_update_option', $value, $option, $old_value );
 
 	// If the new and old values are the same, no need to update.
 	if ( $value === $old_value )
