diff --git a/Rakefile b/Rakefile
index 1985ef49545bdc6fa3c14591f03992353acb3a2b..a95a1b6940341891ff8f8097d2cec3939d9411af 100644
--- a/Rakefile
+++ b/Rakefile
@@ -93,7 +93,7 @@ namespace :gen do
   task "wiki" do
     require 'refrepo/gen/wiki'
     options = {}
-    options[:sites] = ( ENV['SITE'] ? ENV['SITE'].split(',') : G5K_SITES )
+    options[:sites] = ( ENV['SITE'] ? ENV['SITE'].split(',') : ['global'] + G5K_SITES )
     if ENV['NAME']
       options[:generators] = ENV['NAME'].split(',')
     else