diff --git a/src/Composer/Command/ConfigCommand.php b/src/Composer/Command/ConfigCommand.php
index 4d50f88da..1761402ee 100644
--- a/src/Composer/Command/ConfigCommand.php
+++ b/src/Composer/Command/ConfigCommand.php
@@ -402,6 +402,7 @@ EOT
                 },
             ),
             'github-expose-hostname' => array($booleanValidator, $booleanNormalizer),
+            'htaccess-protect' => array($booleanValidator, $booleanNormalizer),
         );
         $multiConfigValues = array(
             'github-protocols' => array(