diff --git a/app/helpers/exercises_helper.rb b/app/helpers/exercises_helper.rb
index 0c52fbfe9..db929b94d 100644
--- a/app/helpers/exercises_helper.rb
+++ b/app/helpers/exercises_helper.rb
@@ -169,7 +169,7 @@ module ExercisesHelper
         user_wrong_count = 0
         user_ids.each do |s|
           user_score = effictive_users.where(user_id: s).pluck(:score).sum
-          unless user_score.to_s >= ex&.question_score.to_f
+          unless user_score.to_f >= ex&.question_score.to_f
             user_wrong_count + 1
           end
         end