diff --git a/includes/install.inc b/includes/install.inc
index 089cdee..2c9821f 100644
--- a/includes/install.inc
+++ b/includes/install.inc
@@ -199,6 +199,7 @@ function drupal_install_profile_distribution_name() {
   else {
     $profile = drupal_get_profile();
     $info = system_get_info('module', $profile);
+    if ( ! array_key_exists('distribution_name', $info)) $info['distribution_name'] = 'Drupal';
     return $info['distribution_name'];
   }
 }