diff --git a/app/helpers/exercises_helper.rb b/app/helpers/exercises_helper.rb
index db929b94d..b0e356666 100644
--- a/app/helpers/exercises_helper.rb
+++ b/app/helpers/exercises_helper.rb
@@ -167,10 +167,10 @@ module ExercisesHelper
         effictive_users_ids = effictive_users.where("answer_text is not null and answer_text !=''").pluck(:user_id).uniq
         effictive_users_count = effictive_users_ids.size
         user_wrong_count = 0
-        user_ids.each do |s|
+        effictive_users_ids.each do |s|
           user_score = effictive_users.where(user_id: s).pluck(:score).sum
-          unless user_score.to_f >= ex&.question_score.to_f
-            user_wrong_count + 1
+          if user_score.to_f < ex&.question_score.to_f
+            user_wrong_count = user_wrong_count + 1
           end
         end
         # user_wrong_ids = effictive_users.where()