diff --git a/application/Espo/Core/defaults/systemConfig.php b/application/Espo/Core/defaults/systemConfig.php
index 0fb74bc555..fc7bb2d0c2 100644
--- a/application/Espo/Core/defaults/systemConfig.php
+++ b/application/Espo/Core/defaults/systemConfig.php
@@ -83,6 +83,7 @@ return array (
         'permissionMap',
         'permissionRules',
         'passwordSalt',
+        'cryptKey'
     ),
     'adminItems' =>
     array (