diff --git a/src/js/ripple/blob.js b/src/js/ripple/blob.js
index 8df15476..ebf4e02d 100644
--- a/src/js/ripple/blob.js
+++ b/src/js/ripple/blob.js
@@ -1081,6 +1081,7 @@ BlobClient.create = function(options, fn) {
       data        : blob.encrypt(),
       email       : options.email,
       hostlink    : options.activateLink,
+      domain      : options.domain,
       encrypted_blobdecrypt_key : blob.encryptBlobCrypt(options.masterkey, options.crypt),
       encrypted_secret : blob.encrypted_secret
     }
diff --git a/src/js/ripple/vaultclient.js b/src/js/ripple/vaultclient.js
index f02811f0..9b62c41c 100644
--- a/src/js/ripple/vaultclient.js
+++ b/src/js/ripple/vaultclient.js
@@ -467,7 +467,7 @@ VaultClient.prototype.register = function(options, fn) {
     getAuthInfo,
     self._deriveLoginKeys,
     self._deriveUnlockKey,
-    create    
+    create
   ];
   
   async.waterfall(steps, fn);
@@ -489,7 +489,8 @@ VaultClient.prototype.register = function(options, fn) {
       email        : options.email,
       masterkey    : options.masterkey || crypt.createMaster(),
       activateLink : options.activateLink,
-      oldUserBlob  : options.oldUserBlob
+      oldUserBlob  : options.oldUserBlob,
+      domain       : options.domain
     };
         
     blobClient.create(params, function(err, blob) {