diff --git a/lib/puppet/type/db2_catalog_node.rb b/lib/puppet/type/db2_catalog_node.rb
index 3bd56aa..9ed51d6 100644
--- a/lib/puppet/type/db2_catalog_node.rb
+++ b/lib/puppet/type/db2_catalog_node.rb
@@ -66,7 +66,7 @@
   newproperty(:security) do
     desc "Specifies the node will be security enabled, valid values are ssl, ns and server"
     munge do |value|
-      value.downcase
+      value.upcase
     end
   end