diff --git a/SoObjects/SOGo/SOGoMailer.m b/SoObjects/SOGo/SOGoMailer.m
index 73f9aa25e..021d4faa2 100644
--- a/SoObjects/SOGo/SOGoMailer.m
+++ b/SoObjects/SOGo/SOGoMailer.m
@@ -325,7 +325,7 @@
           {
             login = [currentAcount objectForKey: @"userName"];
             password = [currentAcount objectForKey: @"password"];
-            smtpAuthMethod = "plain"; //Only support plain for auxiliary account
+            smtpAuthMethod = @"plain"; //Only support plain for auxiliary account
           }
           else
           {