diff --git a/src/views/email.js b/src/views/email.js
index b90056889..939b47ac9 100644
--- a/src/views/email.js
+++ b/src/views/email.js
@@ -402,7 +402,7 @@ angular.module('Application').controller('EmailController', ['$scope', '$locatio
             show: function (mailbox) {
                 $scope.mailboxes.edit.name = mailbox.name;
                 $scope.mailboxes.edit.owner = mailbox.owner; // this can be null if mailbox had no owner
-                $scope.mailboxes.edit.aliases = mailbox.aliases;
+                $scope.mailboxes.edit.aliases = angular.copy(mailbox.aliases, []);
 
                 $('#mailboxEditModal').modal('show');
             },