diff --git a/recipes/default.rb b/recipes/default.rb
index 0651ad4..97860fa 100644
--- a/recipes/default.rb
+++ b/recipes/default.rb
@@ -28,6 +28,7 @@
   apt_repository "zend-server" do
     uri "#{url}#{version}/#{basedirdeb}/"
     components ["server","non-free"]
+    distribution ''
     key "http://repos.zend.com/zend.key"
     action :add
     notifies :run, "execute[apt-get update]", :immediately