diff --git a/app/models/grouping.rb b/app/models/grouping.rb
index b4d5ed9329..4e8c119ae9 100644
--- a/app/models/grouping.rb
+++ b/app/models/grouping.rb
@@ -798,10 +798,10 @@ def filter_results(current_role, results, filter_data)
       result_ids = results.ids
       total_marks_hash = Result.get_total_marks(result_ids)
       if filter_data['totalMarkRange']['max'].present?
-        total_marks_hash = total_marks_hash.select { |_, value| value <= filter_data['totalMarkRange']['max'].to_f }
+        total_marks_hash.select! { |_, value| value <= filter_data['totalMarkRange']['max'].to_f }
       end
       if filter_data['totalMarkRange']['min'].present?
-        total_marks_hash = total_marks_hash.select { |_, value| value >= filter_data['totalMarkRange']['min'].to_f }
+        total_marks_hash.select! { |_, value| value >= filter_data['totalMarkRange']['min'].to_f }
       end
       results = Result.where('results.id': total_marks_hash.keys)
     end
@@ -810,12 +810,12 @@ def filter_results(current_role, results, filter_data)
       result_ids = results.ids
       total_marks_hash = Result.get_total_extra_marks(result_ids)
       if filter_data['totalExtraMarkRange']['max'].present?
-        total_marks_hash = total_marks_hash.select do |_, value|
+        total_marks_hash.select! do |_, value|
           value <= filter_data['totalExtraMarkRange']['max'].to_f
         end
       end
       if filter_data['totalExtraMarkRange']['min'].present?
-        total_marks_hash = total_marks_hash.select do |_, value|
+        total_marks_hash.select! do |_, value|
           value >= filter_data['totalExtraMarkRange']['min'].to_f
         end
       end