diff --git a/lib/puppet/util/settings/file_setting.rb b/lib/puppet/util/settings/file_setting.rb
index 776398e..c765a4b 100644
--- a/lib/puppet/util/settings/file_setting.rb
+++ b/lib/puppet/util/settings/file_setting.rb
@@ -91,7 +91,7 @@ class Puppet::Util::Settings::FileSetting < Puppet::Util::Settings::Setting
     resource = Puppet::Resource.new(:file, path)

     if Puppet[:manage_internal_file_permissions]
-      resource[:mode] = self.mode if self.mode
+      resource[:mode] = sprintf("%o", self.mode) if self.mode

       if Puppet.features.root?
         resource[:owner] = self.owner if self.owner