diff --git a/src/views/email.html b/src/views/email.html
index 7268e0f8e..cbceb0224 100644
--- a/src/views/email.html
+++ b/src/views/email.html
@@ -160,7 +160,7 @@
               </input>
             </label>
             <div style="padding: 0 10px;">
-              <slider id="storageQuota" ng-disabled="!mailboxes.edit.storageQuotaEnabled" ng-model="mailboxes.edit.storageQuota" step="134217728" tooltip="hide" ticks="storageQuotaTicks" ticks-snap-bounds="67108864"></slider>
+              <slider id="storageQuota" ng-disabled="!mailboxes.edit.storageQuotaEnabled" ng-model="mailboxes.edit.storageQuota" step="1073741824" tooltip="hide" ticks="storageQuotaTicks" ticks-snap-bounds="5368709120"></slider>
             </div>
           </div>
 
diff --git a/src/views/email.js b/src/views/email.js
index 9c79e969a..bdb5095ab 100644
--- a/src/views/email.js
+++ b/src/views/email.js
@@ -42,7 +42,7 @@ angular.module('Application').controller('EmailController', ['$scope', '$locatio
     $scope.domain = null;
     $scope.adminDomain = null;
     $scope.diskUsage = {};
-    $scope.storageQuotaTicks = [ 5*1024*1024, 10*1024*1024, 100*1024*1024, 500*1024*1024, 1024*1024*1024, 5*1024*1024*1024, 15*1024*1024*1024, 25*1024*1024*1024 ];
+    $scope.storageQuotaTicks = [ 1*1024*1024*1024, 15*1024*1024*1024, 50*1024*1024*1024, 100*1024*1024*1024 ];
 
     $scope.expectedDnsRecords = {
         mx: { },