diff --git a/app/views/open_source_projects/_show_bug.html.erb b/app/views/open_source_projects/_show_bug.html.erb
index 678209813..adccff837 100644
--- a/app/views/open_source_projects/_show_bug.html.erb
+++ b/app/views/open_source_projects/_show_bug.html.erb
@@ -18,7 +18,7 @@
<% if topic.url.nil? || topic.url == '' %>
<%= link_to h(topic.subject), open_source_project_relative_memo_path(open_source_project, topic) %>
<% else %>
- <%= link_to h(topic.subject), topic.url %>
+ <%= link_to h(topic.subject), topic.url, :target => '_blank' %>
<% end %>
diff --git a/app/views/open_source_projects/_show_topics.html.erb b/app/views/open_source_projects/_show_topics.html.erb
index 1a16f5282..db25b444d 100644
--- a/app/views/open_source_projects/_show_topics.html.erb
+++ b/app/views/open_source_projects/_show_topics.html.erb
@@ -26,7 +26,7 @@
<% @bugs.each do |bug| %>
- - >[<%= show_description(bug, open_source_project) %>]<%= link_to bug.subject, bug.url %>
+ - >[<%= show_description(bug, open_source_project) %>]<%= link_to bug.subject, bug.url, :target => '_blank' %>
<% end %>
diff --git a/app/views/open_source_projects/index.html.erb b/app/views/open_source_projects/index.html.erb
index 45ac4fa95..1c488fe82 100644
--- a/app/views/open_source_projects/index.html.erb
+++ b/app/views/open_source_projects/index.html.erb
@@ -144,7 +144,7 @@ li {
|