diff --git a/lib/winrm/psrp/message_data/pipeline_output.rb b/lib/winrm/psrp/message_data/pipeline_output.rb
index fbb7a7aa..5b8713b3 100644
--- a/lib/winrm/psrp/message_data/pipeline_output.rb
+++ b/lib/winrm/psrp/message_data/pipeline_output.rb
@@ -33,7 +33,8 @@ def extract_out_string(text)
             text = ''
             if node.text
               text << node.text.gsub(/(_x\h\h\h\h_)+/) do |match|
-                match.scan(/_x(\h\h\h\h)_/).flatten.map { |utf16| utf16.hex }.pack('S*').force_encoding('utf-16le').encode('utf-8')
+                match.scan(/_x(\h\h\h\h)_/).flatten.map(&:hex)
+                     .pack('S*').force_encoding('utf-16le').encode('utf-8')
               end.chomp
             end
             text << "\r\n"