diff --git a/app/views/factors/index.html.erb b/app/views/factors/index.html.erb
index 8193cc7..0cd5e0f 100755
--- a/app/views/factors/index.html.erb
+++ b/app/views/factors/index.html.erb
@@ -40,7 +40,7 @@
 	<% if !@popup %>
 		<td><%= link_to(h(factor.summary), :project_id => @project, :action => 'show', :id => factor) %></td>
 	<% else %>
-		<td><%= link_to h(factor.summary), "/projects/#{@project.id}/arch_decisions/add_factor/#{@arch_decision.id}/#{factor.id}" %></td>
+		<td><%= link_to h(factor.summary), "#{Redmine::Utils::relative_url_root}/projects/#{@project.id}/arch_decisions/add_factor/#{@arch_decision.id}/#{factor.id}" %></td>
 	<% end %>
 	<!-- td><%= textilizable factor.details, :factor => factor %></td -->
 	<td align="center" style="white-space:nowrap;"><%= factor.scope_name %></td>
