diff --git a/www/common/common-hash.js b/www/common/common-hash.js
index e38fa088e..c6bf29ce9 100644
--- a/www/common/common-hash.js
+++ b/www/common/common-hash.js
@@ -1,8 +1,9 @@
 define([
     '/common/common-util.js',
+    '/common/common-interface.js',
     '/bower_components/chainpad-crypto/crypto.js',
     '/bower_components/tweetnacl/nacl-fast.min.js'
-], function (Util, Crypto) {
+], function (Util, UI, Crypto) {
     var Nacl = window.nacl;
 
     var Hash = {};
@@ -176,14 +177,14 @@ Version 1
                         secret.keys = Crypto.createEditCryptor(parsed.key);
                         secret.key = secret.keys.editKeyStr;
                         if (secret.channel.length !== 32 || secret.key.length !== 24) {
-                            Hash.alert("The channel key and/or the encryption key is invalid");
+                            UI.alert("The channel key and/or the encryption key is invalid");
                             throw new Error("The channel key and/or the encryption key is invalid");
                         }
                     }
                     else if (parsed.mode === 'view') {
                         secret.keys = Crypto.createViewCryptor(parsed.key);
                         if (secret.channel.length !== 32) {
-                            Hash.alert("The channel key is invalid");
+                            UI.alert("The channel key is invalid");
                             throw new Error("The channel key is invalid");
                         }
                     }