diff --git a/dashboard/src/views/backups.html b/dashboard/src/views/backups.html
index 23b4d480b..01609b98f 100644
--- a/dashboard/src/views/backups.html
+++ b/dashboard/src/views/backups.html
@@ -411,29 +411,23 @@
             </div>
 
             <div class="form-group" ng-show="configureBackup.format === 'rsync' && configureBackup.provider !== 'noop'">
-              <label class="control-label">{{ 'backups.configureBackupStorage.uploadConcurrency' | tr }}: <b>{{ configureBackup.syncConcurrency }}</b></label>
+              <label class="control-label" for="sliderConfigureBackupSyncConcurrency">{{ 'backups.configureBackupStorage.uploadConcurrency' | tr }}: <b>{{ configureBackup.syncConcurrency }}</b></label>
               <p class="small">{{ 'backups.configureBackupStorage.uploadConcurrencyDescription' | tr }}</p>
-              <div style="padding: 0 10px;">
-                <slider id="sliderConfigureBackupSyncConcurrency" ng-model="configureBackup.syncConcurrency" tooltip="hide" min="10" max="200" step="10"></slider>
-              </div>
+              <input type="range" id="sliderConfigureBackupSyncConcurrency" ng-model="configureBackup.syncConcurrency" step="10" min="10" max="200" />
             </div>
 
             <div class="form-group" ng-show="configureBackup.format === 'rsync' && (s3like(configureBackup.provider) || configureBackup.provider === 'gcs')">
-              <label class="control-label">{{ 'backups.configureBackupStorage.downloadConcurrency' | tr }}: <b>{{ configureBackup.downloadConcurrency }}</b></label>
+              <label class="control-label" for="sliderConfigureBackupDownloadConcurrency">{{ 'backups.configureBackupStorage.downloadConcurrency' | tr }}: <b>{{ configureBackup.downloadConcurrency }}</b></label>
               <p class="small">{{ 'backups.configureBackupStorage.downloadConcurrencyDescription' | tr }}</p>
-              <div style="padding: 0 10px;">
-                <slider id="sliderConfigureBackupCopyConcurrency" ng-model="configureBackup.downloadConcurrency" tooltip="hide" min="10" max="200" step="10"></slider>
-              </div>
+              <input type="range" id="sliderConfigureBackupDownloadConcurrency" ng-model="configureBackup.downloadConcurrency" step="10" min="10" max="200" />
             </div>
 
             <div class="form-group" ng-show="configureBackup.format === 'rsync' && (s3like(configureBackup.provider) || configureBackup.provider === 'gcs')">
-              <label class="control-label">{{ 'backups.configureBackupStorage.copyConcurrency' | tr }}: <b>{{ configureBackup.copyConcurrency }}</b></label>
+              <label class="control-label" for="sliderConfigureBackupCopyConcurrency">{{ 'backups.configureBackupStorage.copyConcurrency' | tr }}: <b>{{ configureBackup.copyConcurrency }}</b></label>
               <p class="small">{{ 'backups.configureBackupStorage.copyConcurrencyDescription' | tr }}
                 <span ng-show="configureBackup.provider === 'digitalocean-spaces'">{{ 'backups.configureBackupStorage.copyConcurrencyDigitalOceanNote' | tr }}</span>
               </p>
-              <div style="padding: 0 10px;">
-                <slider id="sliderConfigureBackupCopyConcurrency" ng-model="configureBackup.copyConcurrency" tooltip="hide" min="10" max="500" step="10"></slider>
-              </div>
+              <input type="range" id="sliderConfigureBackupCopyConcurrency" ng-model="configureBackup.copyConcurrency" step="10" min="10" max="500" />
             </div>
 
           </div> <!-- advanced -->
diff --git a/dashboard/src/views/backups.js b/dashboard/src/views/backups.js
index 22b8805db..3a46fd93a 100644
--- a/dashboard/src/views/backups.js
+++ b/dashboard/src/views/backups.js
@@ -705,9 +705,9 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
             backupConfig.limits.uploadPartSize = parseInt($scope.configureBackup.uploadPartSize);
 
             if (backupConfig.format === 'rsync') {
-                backupConfig.limits.downloadConcurrency = $scope.configureBackup.downloadConcurrency;
-                backupConfig.limits.syncConcurrency = $scope.configureBackup.syncConcurrency;
-                backupConfig.limits.copyConcurrency = $scope.configureBackup.copyConcurrency;
+                backupConfig.limits.downloadConcurrency = parseInt($scope.configureBackup.downloadConcurrency);
+                backupConfig.limits.syncConcurrency = parseInt($scope.configureBackup.syncConcurrency);
+                backupConfig.limits.copyConcurrency = parseInt($scope.configureBackup.copyConcurrency);
             }
 
             Client.setBackupConfig(backupConfig, function (error) {