diff --git a/app/models/box.rb b/app/models/box.rb
index 36b31d1..f2284a2 100644
--- a/app/models/box.rb
+++ b/app/models/box.rb
@@ -10,7 +10,7 @@ class Box < ActiveRecord::Base
   end
 
   def acceptable_blocks
-    blocks_classes = central?  ? Box.acceptable_center_blocks + plugins.dispatch(:extra_blocks, :position => 1) : Box.acceptable_side_blocks + plugins.dispatch(:extra_blocks, :position => [2, 3])
+    blocks_classes = central?  ? Box.acceptable_center_blocks + plugins.dispatch(:extra_blocks, :type => owner.class, :position => 1) : Box.acceptable_side_blocks + plugins.dispatch(:extra_blocks, :type => owner.class, :position => [2, 3])
     to_css_class_name(blocks_classes)
   end
 
diff --git a/test/unit/box_test.rb b/test/unit/box_test.rb
index b7a4b02..28d056d 100644
--- a/test/unit/box_test.rb
+++ b/test/unit/box_test.rb
@@ -119,4 +119,25 @@ class BoxTest < ActiveSupport::TestCase
     assert blocks.include?('box-test_plugin-block')
   end
 
+  should 'list plugin block as allowed for the right holder' do
+    class SomePlugin < Noosfero::Plugin
+      def self.extra_blocks
+        { PluginBlock => {:position => 1, :type => [Person, Enterprise]} }
+      end
+    end
+    class PluginBlock < Block
+      def self.to_s; 'plugin-block'; end
+    end
+    Noosfero::Plugin::Manager.any_instance.stubs(:enabled_plugins).returns([SomePlugin.new])
+
+    blocks = Box.new(:position => 1, :owner => Person.new).acceptable_blocks
+    assert blocks.include?('box-test_plugin-block')
+
+    blocks = Box.new(:position => 1, :owner => Enterprise.new).acceptable_blocks
+    assert blocks.include?('box-test_plugin-block')
+
+    blocks = Box.new(:position => 1, :owner => Community.new).acceptable_blocks
+    assert !blocks.include?('box-test_plugin-block')
+  end
+
 end
--
libgit2 0.21.2