Index: wp-includes/option.php
===================================================================
--- wp-includes/option.php	(revision 23345)
+++ wp-includes/option.php	(working copy)
@@ -105,7 +105,7 @@
  */
 function wp_protect_special_option( $option ) {
 	$protected = array( 'alloptions', 'notoptions' );
-	if ( in_array( $option, $protected ) )
+	if ( in_array( $option, $protected, true ) )
 		wp_die( sprintf( __( '%s is a protected WP option and may not be modified' ), esc_html( $option ) ) );
 }