diff --git a/test/functional/projects_controller_test.rb b/test/functional/projects_controller_test.rb
index c23bc17b..ded7b8b1 100644
--- a/test/functional/projects_controller_test.rb
+++ b/test/functional/projects_controller_test.rb
@@ -447,6 +447,9 @@ class ProjectsControllerTest < ActionController::TestCase
     get :activity, :format => 'atom'
     assert_response :success
     assert_template 'common/feed.atom.rxml'
+    assert_tag :tag => 'entry', :child => {
+      :tag => 'link',
+      :attributes => {:href => 'http://test.host/issues/11'}}
   end
   
   def test_archive
diff --git a/vendor/plugins/acts_as_event/lib/acts_as_event.rb b/vendor/plugins/acts_as_event/lib/acts_as_event.rb
index 364bb8ce..07d1dab9 100644
--- a/vendor/plugins/acts_as_event/lib/acts_as_event.rb
+++ b/vendor/plugins/acts_as_event/lib/acts_as_event.rb
@@ -66,11 +66,11 @@ module Redmine
         def event_url(options = {})
           option = event_options[:url]
           if option.is_a?(Proc)
-            option.call(self)
+            option.call(self).merge(options)
           elsif option.is_a?(Hash)
             option.merge(options)
           elsif option.is_a?(Symbol)
-            send(option)
+            send(option).merge(options)
           else
             option
           end