diff --git a/lib/single_auth/application_controller_patch.rb b/lib/single_auth/application_controller_patch.rb
index d7eaee4..e6fb077 100644
--- a/lib/single_auth/application_controller_patch.rb
+++ b/lib/single_auth/application_controller_patch.rb
@@ -43,7 +43,7 @@ def find_current_user_with_ldap_single_auth
 
 
       def try_login_by_remote_env(remote_username)
-        remote_username = remote_username.to_s.split('@')[0]
+        remote_username = remote_username.to_s.split('\\')[1].split("@")[0]
         user = User.active.find_by_login remote_username
         if user.nil?
           user = add_user_by_ldap_info(remote_username)
@@ -109,4 +109,4 @@ def update_autologout_time
 
     end
   end
-end
\ No newline at end of file
+end