diff --git a/app/models/debate.rb b/app/models/debate.rb
index 6d6d49a2d..d772ed029 100644
--- a/app/models/debate.rb
+++ b/app/models/debate.rb
@@ -134,6 +134,11 @@ class Debate < ActiveRecord::Base
     terms.present? ? where("title ILIKE ? OR description ILIKE ?", "%#{terms}%", "%#{terms}%") : none
   end
 
+  def conflictive?
+    return false unless flags_count > 0 && cached_votes_up > 0
+    flags_count / cached_votes_up.to_f > 0.2
+  end
+
   protected
 
   def sanitize_description
diff --git a/app/models/flag.rb b/app/models/flag.rb
index 02b16b385..735ef89e9 100644
--- a/app/models/flag.rb
+++ b/app/models/flag.rb
@@ -1,6 +1,6 @@
 class Flag < ActiveRecord::Base
   belongs_to :user
-  belongs_to :flaggable, polymorphic: true, counter_cache: true
+  belongs_to :flaggable, polymorphic: true, counter_cache: true, touch: true
 
   scope(:by_user_and_flaggable, lambda do |user, flaggable|
     where(user_id: user.id,
diff --git a/app/views/debates/show.html.erb b/app/views/debates/show.html.erb
index d1e05d702..1c48ea214 100644
--- a/app/views/debates/show.html.erb
+++ b/app/views/debates/show.html.erb
@@ -13,11 +13,11 @@
         <% end %>
 
         <h1><%= @debate.title %></h1>
-        <!-- SI HAY 1 DENUNCIA POR CADA 5 VOTOS POSITIVOS MUESTRA ESTE MENSAJE -->
-        <div class="alert-box alert radius margin-top">
-          <strong><%= t("debates.show.flag") %></strong>
-        </div>
-        <!-- /. SI HAY 1 DENUNCIA POR CADA 5 VOTOS POSITIVOS MUESTRA ESTE MENSAJE -->
+        <% if @debate.conflictive? %>
+          <div class="alert-box alert radius margin-top">
+            <strong><%= t("debates.show.flag") %></strong>
+          </div>
+        <% end %>
 
         <div class="debate-info">
           <%= avatar_image(@debate.author, seed: @debate.author_id, size: 32, class: 'author-photo') %>
diff --git a/spec/factories.rb b/spec/factories.rb
index 0294d5eb8..deaaee98d 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -77,6 +77,13 @@ FactoryGirl.define do
     trait :with_hot_score do
       before(:save) { |d| d.calculate_hot_score }
     end
+
+    trait :conflictive do
+      after :create do |debate|
+        Flag.flag(FactoryGirl.create(:user), debate)
+        4.times { create(:vote, votable: debate) }
+      end
+    end
   end
 
   factory :vote do
@@ -88,6 +95,11 @@ FactoryGirl.define do
     end
   end
 
+  factory :flag do
+    association :flaggable, factory: :debate
+    association :user, factory: :user
+  end
+
   factory :comment do
     association :commentable, factory: :debate
     user
diff --git a/spec/features/debates_spec.rb b/spec/features/debates_spec.rb
index 07d055ed2..1c8cdf6cc 100644
--- a/spec/features/debates_spec.rb
+++ b/spec/features/debates_spec.rb
@@ -453,4 +453,15 @@ feature 'Debates' do
       expect(page).to_not have_content(debate3.title)
     end
   end
+
+  scenario 'Conflictive' do
+    good_debate = create(:debate)
+    conflictive_debate = create(:debate, :conflictive)
+
+    visit debate_path(conflictive_debate)
+    expect(page).to have_content "This debate has been flag as innapropiate for some users."
+
+    visit debate_path(good_debate)
+    expect(page).to_not have_content "This debate has been flag as innapropiate for some users."
+  end
 end
diff --git a/spec/models/debate_spec.rb b/spec/models/debate_spec.rb
index c36031089..a26825f39 100644
--- a/spec/models/debate_spec.rb
+++ b/spec/models/debate_spec.rb
@@ -281,6 +281,11 @@ describe Debate do
       .to change { debate.updated_at }
     end
 
+    it "should expire cache when it has a new flag", :focus do
+      expect { create(:flag, flaggable: debate) }
+      .to change { debate.reload.updated_at }
+    end
+
     it "should expire cache when it has a new tag" do
       expect { debate.update(tag_list: "new tag") }
       .to change { debate.updated_at }
@@ -308,4 +313,50 @@ describe Debate do
     end
   end
 
+  describe "conflictive debates" do
+
+    it "should return true when it has more than 1 flag for 5 positive votes" do
+      debate.update(flags_count: 1)
+      debate.update(cached_votes_up: 4)
+      expect(debate).to be_conflictive
+
+      debate.update(flags_count: 2)
+      debate.update(cached_votes_up: 9)
+      expect(debate).to be_conflictive
+
+      debate.update(flags_count: 3)
+      debate.update(cached_votes_up: 14)
+      expect(debate).to be_conflictive
+
+      debate.update(flags_count: 20)
+      debate.update(cached_votes_up: 2)
+      expect(debate).to be_conflictive
+    end
+
+    it "should return false when it has less than or equal to 1 flag for 5 positive votes" do
+      debate.update(flags_count: 1)
+      debate.update(cached_votes_up: 5)
+      expect(debate).to_not be_conflictive
+
+      debate.update(flags_count: 2)
+      debate.update(cached_votes_up: 10)
+      expect(debate).to_not be_conflictive
+
+      debate.update(flags_count: 2)
+      debate.update(cached_votes_up: 100)
+      expect(debate).to_not be_conflictive
+    end
+
+    it "should return false when it has no flags" do
+      debate.update(flags_count: 0)
+      expect(debate).to_not be_conflictive
+    end
+
+    it "should return false when it has not votes up" do
+      debate.update(cached_votes_up: 0)
+      expect(debate).to_not be_conflictive
+    end
+
+  end
+
 end
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