diff --git a/dashboard/src/views/email.html b/dashboard/src/views/email.html
index a6e13530a..d58d9c290 100644
--- a/dashboard/src/views/email.html
+++ b/dashboard/src/views/email.html
@@ -157,9 +157,10 @@
                 {{ 'email.editMailboxDialog.enableStorageQuota' | tr }} <b ng-hide="!mailboxes.edit.storageQuotaEnabled">: {{ mailboxes.edit.storageQuota | prettyDecimalSize }}</b>
               </input>
             </label>
-            <div style="padding: 0 10px;">
-              <slider id="storageQuota" ng-disabled="!mailboxes.edit.storageQuotaEnabled" ng-model="mailboxes.edit.storageQuota" step="500000000" ticks-snap-bounds="1000000000" tooltip="hide" ticks="storageQuotaTicks"></slider>
-            </div>
+            <input type="range" id="storageQuota" ng-disabled="!mailboxes.edit.storageQuotaEnabled" ng-model="mailboxes.edit.storageQuota" step="500000000" min="{{ storageQuotaTicks[0] }}" max="{{ storageQuotaTicks[storageQuotaTicks.length-1] }}" list="storageQuotaTicks" />
+            <datalist id="storageQuotaTicks">
+              <option ng-repeat="quota in storageQuotaTicks" value="{{ quota }}"></option>
+            </datalist>
           </div>
 
           <div class="checkbox">
diff --git a/dashboard/src/views/email.js b/dashboard/src/views/email.js
index 22278ba3c..5406c0536 100644
--- a/dashboard/src/views/email.js
+++ b/dashboard/src/views/email.js
@@ -42,7 +42,7 @@ angular.module('Application').controller('EmailController', ['$scope', '$locatio
     $scope.domain = null;
     $scope.adminDomain = null;
     $scope.mailUsage = null;
-    $scope.storageQuotaTicks = [ 500*1000*1000, 1*1000*1000*1000, 15*1000*1000*1000, 50*1000*1000*1000, 100*1000*1000*1000 ];
+    $scope.storageQuotaTicks = [ 500*1000*1000, 5*1000*1000*1000, 15*1000*1000*1000, 50*1000*1000*1000, 100*1000*1000*1000 ];
 
     $scope.expectedDnsRecords = {
         mx: { },
@@ -639,7 +639,7 @@ angular.module('Application').controller('EmailController', ['$scope', '$locatio
                     ownerType: $scope.mailboxes.edit.owner.type,
                     active: $scope.mailboxes.edit.active,
                     enablePop3: $scope.mailboxes.edit.enablePop3,
-                    storageQuota: $scope.mailboxes.edit.storageQuotaEnabled ? $scope.mailboxes.edit.storageQuota : 0,
+                    storageQuota: $scope.mailboxes.edit.storageQuotaEnabled ? parseInt($scope.mailboxes.edit.storageQuota) : 0,
                     messagesQuota: 0
                 };