diff --git a/app/models/prompt.rb b/app/models/prompt.rb
index e74f964..c9204a6 100644
--- a/app/models/prompt.rb
+++ b/app/models/prompt.rb
@@ -7,8 +7,8 @@ class Prompt < ActiveRecord::Base
   
   
   belongs_to :question, :counter_cache => true
-  belongs_to :left_choice, :class_name => "Choice", :foreign_key => "left_choice_id", :counter_cache => true
-  belongs_to :right_choice, :class_name => "Choice", :foreign_key => "right_choice_id", :counter_cache => true
+  belongs_to :left_choice, :class_name => "Choice", :foreign_key => "left_choice_id", :counter_cache => :prompts_on_the_left_count
+  belongs_to :right_choice, :class_name => "Choice", :foreign_key => "right_choice_id", :counter_cache => :prompts_on_the_right_count
   
   validates_presence_of :left_choice, :on => :create, :message => "can't be blank"
   validates_presence_of :right_choice, :on => :create, :message => "can't be blank"
diff --git a/lib/tasks/test_api.rake b/lib/tasks/test_api.rake
index 2c5c265..013899a 100644
--- a/lib/tasks/test_api.rake
+++ b/lib/tasks/test_api.rake
@@ -1,6 +1,6 @@
 namespace :test_api do
 
-  desc "Updates cached values for losses and wins for for choices."
+  desc "Updates cached values for losses and wins for choices."
   task :update_cached_losses_wins => :environment do
     Question.all.each do |question|
       question.choices.each do |choice|
@@ -17,6 +17,20 @@ namespace :test_api do
     end
   end
 
+  desc "Update cached values for prompts on left and right for choices."
+  task :update_cahced_prompts_on_left_right => :environment do
+    Question.all.each do |question|
+      question.choices.each do |choice|
+        choice.reload
+        choice.prompts_on_the_left
+        choice.prompts_on_the_right
+        Choice.update_counters choice.id,
+          :prompts_on_the_left_count => choice.prompts_on_the_left.count,
+          :prompts_on_the_right_count => choice.prompts_on_the_right.count
+      end
+    end
+  end
+
   desc "Recomputes scores for all choices."
   task :recompute_scores => :environment do
     Choice.find_each do |choice|
--
libgit2 0.21.2