diff --git a/app/models/user.rb b/app/models/user.rb
index 62c84a1e6fa..2601de2791a 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -80,7 +80,7 @@ class User < ActiveRecord::Base
 
   def self.find_for_ldap_auth(omniauth_info)
     name = omniauth_info.name
-    email = omniauth_info.email
+    email = omniauth_info.email.downcase
     
     if @user = User.find_by_email(email)
       @user