diff --git a/src/views/backups.html b/src/views/backups.html
index 6e98812c2..6cbe4518c 100644
--- a/src/views/backups.html
+++ b/src/views/backups.html
@@ -123,7 +123,7 @@
               <select class="form-control" id="storageRetention" ng-model="configureBackup.retentionSecs" ng-options="a.value as a.name for a in retentionTimes"></select>
             </div>
 
-            <div class="form-group" ng-class="{ 'has-error': configureBackup.error.key }" ng-show="configureBackup.provider !== 'noop' && configureBackup.format === 'tgz'">
+            <div class="form-group" ng-class="{ 'has-error': configureBackup.error.key }" ng-show="configureBackup.provider !== 'noop'">
               <label class="control-label" for="inputConfigureBackupKey">Encryption key (optional)</label>
               <input type="text" class="form-control" ng-model="configureBackup.key" id="inputConfigureBackupKey" name="prefix" ng-disabled="configureBackup.busy" placeholder="Passphrase used to encrypt the backups">
             </div>