diff --git a/app/models/repository/github.rb b/app/models/repository/github.rb
index 985cacf..7869ba0 100644
--- a/app/models/repository/github.rb
+++ b/app/models/repository/github.rb
@@ -18,7 +18,7 @@ def supports_revision_graph?
   end
 
   def supports_annotate?
-    false
+    true
   end
 
   def repo_log_encoding
diff --git a/app/views/repositories/_annotate_link_patch.js.erb b/app/views/repositories/_annotate_link_patch.js.erb
new file mode 100644
index 0000000..4d1a0d6
--- /dev/null
+++ b/app/views/repositories/_annotate_link_patch.js.erb
@@ -0,0 +1,11 @@
+<% if @repository && @repository.class.name == "Repository::Github" && action_name == 'annotate' %>
+<style>
+p#errorExplanation { display: none }
+</style>
+<script>
+$(function(){
+  <% url = "#{@repository.url}/blame/#{@rev}/#{@path}" %>
+  $('p#errorExplanation').after('<a target="_blank" href="<%= url %>">View in GitHub</a>')
+})
+</script>
+<% end %>
diff --git a/init.rb b/init.rb
index 80bd07e..8424c89 100644
--- a/init.rb
+++ b/init.rb
@@ -1,5 +1,6 @@
 require 'redmine'
 require File.expand_path('../lib/github_repositories_helper_patch', __FILE__)
+require File.expand_path('../lib/hooks', __FILE__)
 
 Redmine::Plugin.register :redmine_github_adapter do
   name 'Redmine Github Adapter plugin'
diff --git a/lib/hooks.rb b/lib/hooks.rb
new file mode 100644
index 0000000..750e020
--- /dev/null
+++ b/lib/hooks.rb
@@ -0,0 +1,5 @@
+module RedmineGithubAdapter
+  class Hooks < Redmine::Hook::ViewListener
+    render_on :view_repositories_show_contextual, partial: 'annotate_link_patch.js'
+  end
+end