lib/redmine/sudo_mode.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/redmine/sudo_mode.rb b/lib/redmine/sudo_mode.rb
index ca15705d6..9703f0c77 100644
--- a/lib/redmine/sudo_mode.rb
+++ b/lib/redmine/sudo_mode.rb
@@ -20,7 +20,7 @@ module Redmine
 
       def check_password
         unless password.present? && User.current.check_password?(password)
-          errors[:password] << :invalid
+          errors.add(:password, :invalid)
         end
       end
     end