diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index e076f23..223b5ac 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,5 +1,4 @@
 # frozen_string_literal: true
-
 #
 # ------------------------------------------------------------------------------
 #         NOTICE: **This file is maintained with puppetsync**
@@ -87,7 +86,7 @@ def set_hieradata(hieradata)
   # If nothing else...
   c.default_facts = {
     production: {
-      # :fqdn           => 'production.rspec.test.localdomain',
+      #:fqdn           => 'production.rspec.test.localdomain',
       path: '/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin',
       concat_basedir: '/tmp'
     }
@@ -148,9 +147,9 @@ def set_hieradata(hieradata)
 
     # sanitize hieradata
     if defined?(hieradata)
-      set_hieradata(hieradata.tr(':', '_'))
+      set_hieradata(hieradata.gsub(':', '_'))
     elsif defined?(class_name)
-      set_hieradata(class_name.tr(':', '_'))
+      set_hieradata(class_name.gsub(':', '_'))
     end
   end