diff --git a/app/helpers/lectures_helper.rb b/app/helpers/lectures_helper.rb
index ba08cbb5a..0102186b8 100644
--- a/app/helpers/lectures_helper.rb
+++ b/app/helpers/lectures_helper.rb
@@ -142,7 +142,7 @@ def teachers_preselection(lecture)
                        end, lecture.teacher_id)
   end
 
-  def teachers_preselection_for_new_lecture(lecture)
+  def teachers_preselection_for_new_lecture
     options_for_select((User.teachers + [current_user]).map do |teacher|
                          [teacher.info, teacher.id]
                        end)