diff --git a/www/views/preferences.html b/www/views/preferences.html
index 371f465f2..4f62c64ce 100644
--- a/www/views/preferences.html
+++ b/www/views/preferences.html
@@ -44,9 +44,12 @@
         <i class="icon bp-arrow-right"></i>
       </a>
       <div ng-show="wallet.canSign()">
-        <ion-toggle ng-model="encryptEnabled.value" toggle-class="toggle-balanced" ng-change="encryptChange()">
+        <ion-toggle ng-model="encryptEnabled.value" toggle-class="toggle-balanced" ng-change="encryptChange()" ng-disabled="wallet.needsBackup">
           <span class="toggle-label" translate>Request Spending Password</span>
         </ion-toggle>
+        <div class="comment" translate>
+          If enabled, a request password prompt will be shown when you try to access to your backup phrase or private key options.
+        </div>
       </div>
       <div ng-show="wallet.canSign() && touchIdAvailable">
         <ion-toggle  ng-model="touchIdEnabled.value" toggle-class="toggle-balanced" ng-change="touchIdChange()">