diff --git a/www/common/common-util.js b/www/common/common-util.js
index debbd8e2d..0d0d4c776 100644
--- a/www/common/common-util.js
+++ b/www/common/common-util.js
@@ -131,5 +131,9 @@ define([], function () {
         return g;
     };
 
+    Util.createRandomInteger = function () {
+        return Math.floor(Math.random() * Number.MAX_SAFE_INTEGER);
+    };
+
     return Util;
 });
diff --git a/www/common/cryptpad-common.js b/www/common/cryptpad-common.js
index 20927dc04..5214fcc3b 100644
--- a/www/common/cryptpad-common.js
+++ b/www/common/cryptpad-common.js
@@ -72,6 +72,7 @@ define([
     common.bytesToKilobytes = Util.bytesToKilobytes;
     common.fetch = Util.fetch;
     common.throttle = Util.throttle;
+    common.createRandomInteger = Util.createRandomInteger;
 
     // import hash utilities for export
     var createRandomHash = common.createRandomHash = Hash.createRandomHash;