diff --git a/UI/WebServerResources/js/Mailer/Account.service.js b/UI/WebServerResources/js/Mailer/Account.service.js
index ca8300ae7..30c198268 100644
--- a/UI/WebServerResources/js/Mailer/Account.service.js
+++ b/UI/WebServerResources/js/Mailer/Account.service.js
@@ -157,7 +157,8 @@
               _visit(_this.$mailboxes);
             }
           }
-          _this.$expanded |= (Account.$accounts.length == 1); // Always expand single account
+          if (Account.$accounts)
+            _this.$expanded |= (Account.$accounts.length == 1); // Always expand single account
           _this.$flattenMailboxes({reload: true});
         });