diff --git a/src/views/backups.html b/src/views/backups.html
index e2f5c0f02..a19639fd8 100644
--- a/src/views/backups.html
+++ b/src/views/backups.html
@@ -143,6 +143,13 @@
             <input type="text" class="form-control" ng-model="configureBackup.mountOptions.host" id="configureBackupHost" name="host" ng-disabled="configureBackup.busy" placeholder="Server IP or hostname" ng-required="configureBackup.provider === 'cifs' || configureBackup.provider === 'nfs' || configureBackup.provider === 'sshfs'">
           </div>
 
+          <!-- CIFS -->
+          <div class="checkbox" ng-show="configureBackup.provider === 'cifs'">
+            <label>
+              <input type="checkbox" ng-model="configureBackup.mountOptions.seal">{{ 'backups.configureBackupStorage.cifsSeal' | tr }}</input>
+            </label>
+          </div>
+
           <!-- CIFS/NFS/SSHFS -->
           <div class="form-group" ng-show="configureBackup.provider === 'cifs' || configureBackup.provider === 'nfs' || configureBackup.provider === 'sshfs'">
             <label class="control-label" for="configureBackupRemoteDir">{{ 'backups.configureBackupStorage.remoteDirectory' | tr }} ({{ configureBackup.provider }})</label>
diff --git a/src/views/backups.js b/src/views/backups.js
index 3ed432b36..5edea2c66 100644
--- a/src/views/backups.js
+++ b/src/views/backups.js
@@ -481,6 +481,7 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
             username: '',
             password: '',
             diskPath: '',
+            seal: false,
             user: '',
             port: 22,
             privateKey: ''
@@ -507,7 +508,7 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
             $scope.configureBackup.syncConcurrency = $scope.configureBackup.provider === 's3' ? 20 : 10;
             $scope.configureBackup.copyConcurrency = $scope.configureBackup.provider === 's3' ? 500 : 10;
 
-            $scope.configureBackup.mountOptions = { host: '', remoteDir: '', username: '', password: '', diskPath: '', user: '', port: 22, privateKey: '' };
+            $scope.configureBackup.mountOptions = { host: '', remoteDir: '', username: '', password: '', diskPath: '', seal: false, user: '', port: 22, privateKey: '' };
         },
 
         show: function () {
@@ -564,6 +565,7 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
                 username: mountOptions.username || '',
                 password: mountOptions.password || '',
                 diskPath: mountOptions.diskPath || '',
+                seal: mountOptions.seal,
                 user: mountOptions.user || '',
                 port: mountOptions.port || 22,
                 privateKey: mountOptions.privateKey || ''
@@ -662,6 +664,7 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
                     if (backupConfig.provider === 'cifs') {
                         backupConfig.mountOptions.username = $scope.configureBackup.mountOptions.username;
                         backupConfig.mountOptions.password = $scope.configureBackup.mountOptions.password;
+                        backupConfig.mountOptions.seal = $scope.configureBackup.mountOptions.seal;
                     } else if (backupConfig.provider === 'sshfs') {
                         backupConfig.mountOptions.user = $scope.configureBackup.mountOptions.user;
                         backupConfig.mountOptions.port = $scope.configureBackup.mountOptions.port;