diff --git a/manifests/site.pp b/manifests/site.pp
index 5ba0af4..7f7b8db 100644
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -41,7 +41,10 @@ node default {
   #incude a role on any node that specifies it's role via a trusted fact at provision time
   #https://docs.puppetlabs.com/puppet/latest/reference/lang_facts_and_builtin_vars.html#trusted-facts
   #https://docs.puppetlabs.com/puppet/latest/reference/ssl_attributes_extensions.html#aws-attributes-and-extensions-population-example
-  include "role::${trusted['extensions']['pp_role']}"
+  
+  if !empty( ${trusted['extensions']['pp_role']} ) { 
+    include "role::${trusted['extensions']['pp_role']}"
+  }
 
   # This is where you can declare classes for all nodes.
   # Example: