diff --git a/lib/merit/point_rules.rb b/lib/merit/point_rules.rb
index c5371a6..d0490da 100644
--- a/lib/merit/point_rules.rb
+++ b/lib/merit/point_rules.rb
@@ -66,16 +66,27 @@ module Merit
         condition: lambda {|article, profile| article.profile.present? and article.profile.community? },
         target_url: lambda {|article| article.url},
       },
-      vote_voteable_author: {
+      vote_voteable_author_positive: {
         action: 'vote#create',
         undo_action: 'vote#destroy',
         to: lambda {|vote| vote.voteable.author},
-        value: lambda {|vote| vote.vote},
-        description: _('Author of a voted content'),
+        value: lambda {|vote| 1},
+        description: _('Author of a content that receive a positive vote'),
         default_weight: 20,
         target_profile: lambda {|vote| vote.voteable.present? ? vote.voteable.profile : nil },
         target_url: lambda {|vote| vote.voteable.url},
-        condition: lambda {|vote, profile| vote.voter != vote.voteable.author }
+        condition: lambda {|vote, profile| vote.vote>0 && vote.voter != vote.voteable.author }
+      },
+      vote_voteable_author_negative: {
+        action: 'vote#create',
+        undo_action: 'vote#destroy',
+        to: lambda {|vote| vote.voteable.author},
+        value: lambda {|vote| 1},
+        description: _('Author of a content that receive a negative vote'),
+        default_weight: -20,
+        target_profile: lambda {|vote| vote.voteable.present? ? vote.voteable.profile : nil },
+        target_url: lambda {|vote| vote.voteable.url},
+        condition: lambda {|vote, profile| vote.vote<0 && vote.voter != vote.voteable.author }
       },
       vote_voteable: {
         action: 'vote#create',
diff --git a/script/export_ranking.rb b/script/export_ranking.rb
index 836156a..4569c43 100644
--- a/script/export_ranking.rb
+++ b/script/export_ranking.rb
@@ -18,8 +18,8 @@ profile_ids.each do |profile_id|
   puts "Creating spreadsheet for #{profile_name}"
 
   CSV.open( "ranking_gamification_for_#{profile_name}.csv", 'w' ) do |csv|
-    categories = [:article_author, :comment_author, :comment_article_author, :vote_voteable_author, :vote_voter, :follower, :followed_article_author]
-    categories_labels = ['autor do artigo', 'autor do comentário', 'comentário recebido no meu artigo', 'voto em meu conteúdo', 'voto realizado', 'seguir artigo', 'autor de artigo seguido']
+    categories = [:article_author, :comment_author, :comment_article_author, :vote_voteable_author_positive, :vote_voteable_author_negative, :vote_voter, :follower, :followed_article_author]
+    categories_labels = ['autor do artigo', 'autor do comentário', 'comentário recebido no meu artigo', 'voto positivo em meu conteúdo', 'voto negativo em meu conteúdo', 'voto realizado', 'seguir artigo', 'autor de artigo seguido']
     quantities_labels = ['quantidade de votos realizados', 'quantidade de amigos', 'votos positivos recebidos', 'votos negativos recebidos', 'quantidade de artigos', 'quantidade de comentários realizados', 'quantidade de comentários recebidos', 'quatidade de vezes que eu segui', 'quantidade de vezes que meus artigos foram seguidos']
 
     csv << ['identifier', 'name', 'score'] + categories_labels + quantities_labels
diff --git a/test/unit/article_test.rb b/test/unit/article_test.rb
index c21d1d9..70a62b3 100644
--- a/test/unit/article_test.rb
+++ b/test/unit/article_test.rb
@@ -45,11 +45,11 @@ class ArticleTest < ActiveSupport::TestCase
   end
 
   should 'add merit points to community article owner when an user like it' do
-    create_point_rule_definition('vote_voteable_author')
+    create_point_rule_definition('vote_voteable_author_positive')
     community = fast_create(Community)
     article = create(TextArticle, :name => 'Test', :profile => community, :author => person)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).first
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_positive).first
     assert_difference 'article.author.points(:category => c.id.to_s)', c.weight do
       Vote.create!(:voter => create_user.person, :voteable => article, :vote => 1)
     end
@@ -138,10 +138,10 @@ class ArticleTest < ActiveSupport::TestCase
 
   should 'add merit points to community article owner when an user like it on community' do
     community = fast_create(Community)
-    create_point_rule_definition('vote_voteable_author', community)
+    create_point_rule_definition('vote_voteable_author_positive', community)
     article = create(TextArticle, :name => 'Test', :profile => community, :author => person)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).first
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_positive).first
     assert_difference 'article.author.points(:category => c.id.to_s)', c.weight do
       Vote.create!(:voter => create_user.person, :voteable => article, :vote => 1)
     end
@@ -217,11 +217,11 @@ class ArticleTest < ActiveSupport::TestCase
   end
 
   should 'not add merit points to article author when he likes his article' do
-    create_point_rule_definition('vote_voteable_author')
+    create_point_rule_definition('vote_voteable_author_positive')
     community = fast_create(Community)
     article = create(TextArticle, :name => 'Test', :profile => community, :author => person)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).first
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_positive).first
     assert_no_difference 'article.author.points(:category => c.id.to_s)' do
       Vote.create!(:voter => person, :voteable => article, :vote => 1)
     end
diff --git a/test/unit/comment_test.rb b/test/unit/comment_test.rb
index cde76bf..ea79f39 100644
--- a/test/unit/comment_test.rb
+++ b/test/unit/comment_test.rb
@@ -66,53 +66,53 @@ class CommentTest < ActiveSupport::TestCase
   end
 
   should 'add merit points to comment owner when an user like his comment' do
-    create_point_rule_definition('vote_voteable_author')
+    create_point_rule_definition('vote_voteable_author_positive')
     comment = create(Comment, :source => article, :author_id => person.id)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).first
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_positive).first
     assert_difference 'comment.author.points(:category => c.id.to_s)', c.weight do
       Vote.create!(:voter => create_user.person, :voteable => comment, :vote => 1)
     end
   end
 
   should 'not add merit points to comment owner when he likes his comment' do
-    create_point_rule_definition('vote_voteable_author')
+    create_point_rule_definition('vote_voteable_author_positive')
     comment = create(Comment, :source => article, :author_id => person.id)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).first
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_positive).first
     assert_difference 'comment.author.points(:category => c.id.to_s)', 0 do
       Vote.create!(:voter => person, :voteable => comment, :vote => 1)
     end
   end
 
   should 'subtract merit points to comment owner when an user unlike his comment' do
-    create_point_rule_definition('vote_voteable_author')
+    create_point_rule_definition('vote_voteable_author_positive')
     comment = create(Comment, :source => article, :author_id => author.id)
     Vote.create!(:voter => create_user.person, :voteable => comment, :vote => 1)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).first
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_positive).first
     assert_difference 'comment.author.points', -1*c.weight do
       Vote.where(:voteable_id => comment.id).destroy_all
     end
   end
 
   should 'subtract merit points from comment owner when an user dislike his comment' do
-    create_point_rule_definition('vote_voteable_author')
+    create_point_rule_definition('vote_voteable_author_negative')
     comment = create(Comment, :source => article, :author_id => person.id)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).first
-    assert_difference 'comment.author.points(:category => c.id.to_s)', -1*c.weight do
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_negative).first
+    assert_difference 'comment.author.points(:category => c.id.to_s)', c.weight do
       Vote.create!(:voter => create_user.person, :voteable => comment, :vote => -1)
     end
   end
 
   should 'add merit points from comment owner when an user remove a dislike in his comment' do
-    create_point_rule_definition('vote_voteable_author')
+    create_point_rule_definition('vote_voteable_author_negative')
     comment = create(Comment, :source => article, :author_id => author.id)
     Vote.create!(:voter => create_user.person, :voteable => comment, :vote => -1)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).first
-    assert_difference 'comment.author.points', c.weight do
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_negative).first
+    assert_difference 'comment.author.points', -1*c.weight do
       Vote.where(:voteable_id => comment.id).destroy_all
     end
   end
@@ -192,10 +192,10 @@ class CommentTest < ActiveSupport::TestCase
   should 'add merit communty points to comment owner when an user like his comment inside a community' do
     community = fast_create(Community)
     article = create(TextArticle, profile_id: community.id, author_id: person.id)
-    create_point_rule_definition('vote_voteable_author', community)
+    create_point_rule_definition('vote_voteable_author_positive', community)
     comment = create(Comment, :source => article, :author_id => person.id)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).where(profile_id: article.profile.id).first
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_positive).where(profile_id: article.profile.id).first
     assert_difference 'comment.author.points(:category => c.id.to_s)', c.weight do
       Vote.create!(:voter => create_user.person, :voteable => comment, :vote => 1)
     end
@@ -204,11 +204,11 @@ class CommentTest < ActiveSupport::TestCase
   should 'subtract merit community points to comment owner when an user unlike his comment inside a community' do
     community = fast_create(Community)
     article = create(TextArticle, profile_id: community.id, author_id: person.id)
-    create_point_rule_definition('vote_voteable_author', community)
+    create_point_rule_definition('vote_voteable_author_positive', community)
     comment = create(Comment, :source => article, :author_id => author.id)
     Vote.create!(:voter => person, :voteable => comment, :vote => 1)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).first
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_positive).first
     assert_difference 'comment.author.points_by_profile(community.identifier)', -1*c.weight do
       Vote.where(:voteable_id => comment.id).destroy_all
     end
@@ -217,11 +217,11 @@ class CommentTest < ActiveSupport::TestCase
   should 'subtract merit community points from comment owner when an user dislike his comment inside a community' do
     community = fast_create(Community)
     article = create(TextArticle, profile_id: community.id, author_id: person.id)
-    create_point_rule_definition('vote_voteable_author', community)
+    create_point_rule_definition('vote_voteable_author_negative', community)
     comment = create(Comment, :source => article, :author_id => person.id)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).where(profile_id: article.profile.id).first
-    assert_difference 'comment.author.points(:category => c.id.to_s)', -1*c.weight do
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_negative).where(profile_id: article.profile.id).first
+    assert_difference 'comment.author.points(:category => c.id.to_s)', c.weight do
       Vote.create!(:voter => create_user.person, :voteable => comment, :vote => -1)
     end
   end
@@ -229,11 +229,11 @@ class CommentTest < ActiveSupport::TestCase
   should 'add merit community points from comment owner when an user remove a dislike in his comment inside a community' do
     community = fast_create(Community)
     article = create(TextArticle, profile_id: community.id, author_id: person.id)
-    create_point_rule_definition('vote_voteable_author', community)
+    create_point_rule_definition('vote_voteable_author_negative', community)
     comment = create(Comment, :source => article, :author_id => author.id)
     Vote.create!(:voter => person, :voteable => comment, :vote => -1)
 
-    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author).first
+    c = GamificationPlugin::PointsCategorization.for_type(:vote_voteable_author_negative).first
     assert_difference 'comment.author.points_by_profile(community.identifier)', c.weight do
       Vote.where(:voteable_id => comment.id).destroy_all
     end
--
libgit2 0.21.2