diff --git a/tests/acceptance/flexnbd.rb b/tests/acceptance/flexnbd.rb
index 236fd58..04de991 100644
--- a/tests/acceptance/flexnbd.rb
+++ b/tests/acceptance/flexnbd.rb
@@ -4,6 +4,7 @@ require 'open3'
 require 'timeout'
 require 'rexml/document'
 require 'rexml/streamlistener'
+require 'English'
 
 Thread.abort_on_exception = true