lib/facter/resolvers/dmi.rb in facter-4.4.1 vs lib/facter/resolvers/dmi.rb in facter-4.4.2

@@ -34,10 +34,10 @@
                        board_serial chassis_asset_tag chassis_type sys_vendor product_name
                        product_serial product_uuid]
             return unless File.directory?('/sys/class/dmi')
 
             file_content = Facter::Util::FileHelper.safe_read("/sys/class/dmi/id/#{fact_name}", nil)
-                                                   .encode('UTF-8', invalid: :replace)
+            file_content = file_content.encode('UTF-8', invalid: :replace) if file_content
             if files.include?(fact_name.to_s) && file_content
               file_content = file_content.strip
               @fact_list[fact_name] = file_content unless file_content.empty?
               chassis_to_name(@fact_list[fact_name]) if fact_name == :chassis_type
             end