diff --git a/src/authm_mad/remotes/server/server_auth.rb b/src/authm_mad/remotes/server/server_auth.rb
index 23bca5819c..441d2905e9 100644
--- a/src/authm_mad/remotes/server/server_auth.rb
+++ b/src/authm_mad/remotes/server/server_auth.rb
@@ -17,6 +17,7 @@
 require 'openssl'
 require 'base64'
 require 'fileutils'
+require 'yaml'
 
 require 'x509_auth'