diff --git a/app/models/concerns/team_by_subject_model.rb b/app/models/concerns/team_by_subject_model.rb
index e1eb7c023..b002f6979 100644
--- a/app/models/concerns/team_by_subject_model.rb
+++ b/app/models/concerns/team_by_subject_model.rb
@@ -9,6 +9,7 @@ module TeamBySubjectModel
       valid_subjects = Extends::ACTIVITY_SUBJECT_CHILDREN
       # Check all activity subject
       valid_subjects.each do |subject, _children|
+        subject = subject.to_s.camelize.to_sym
         next unless subjects[subject]
 
         parent_array = [subject.to_s.underscore]