diff --git a/actions/challengeRegistration.js b/actions/challengeRegistration.js
index 0872a3a64..b5d186bfc 100644
--- a/actions/challengeRegistration.js
+++ b/actions/challengeRegistration.js
@@ -435,7 +435,7 @@ var sendNotificationEmail = function (api, componentInfo, userId, activeForumCat
                 submitURL : submitURL,
                 reviewURL : reviewURL,
                 template : template,
-                toAddress : user.email,
+                toAddress : user.address,
                 senderName : "TC API"
             }, 'default');
             cb();
diff --git a/actions/user.js b/actions/user.js
index bd5544abb..fd72b92ac 100644
--- a/actions/user.js
+++ b/actions/user.js
@@ -211,7 +211,7 @@ function userActivationEmail(api, connection, next) {
                     subject : activationEmailSubject,
                     activationCode : activationCode,
                     template : 'activation_email',
-                    toAddress : rs[0].email,
+                    toAddress : rs[0].address,
                     fromAddress : process.env.TC_EMAIL_ACCOUNT,
                     senderName : activationEmailSenderName,
                     url : process.env.TC_ACTIVATION_SERVER_NAME + '/reg2/activate.action?code=' + activationCode,