diff --git a/sites/default/settings.php b/sites/default/settings.php
index d937575029f..04c710393f5 100755
--- a/sites/default/settings.php
+++ b/sites/default/settings.php
@@ -80,5 +80,5 @@
  *
  */
 if (isset($_SERVER['PANTHEON_ENVIRONMENT'])) {
-  $settings['hash_salt'] = drupal_get_hash_salt();
+  $settings['hash_salt'] = hash('sha256', serialize($databases));
 }