diff --git a/test/helpers/integration.rb b/test/helpers/integration.rb
index b13ef2a312..05ab7a476a 100644
--- a/test/helpers/integration.rb
+++ b/test/helpers/integration.rb
@@ -178,7 +178,7 @@ def thread_run_refused(unix: false)
     if unix
       [Errno::ENOENT, IOError]
     else
-      DARWIN ? [Errno::ECONNREFUSED, Errno::EPIPE, EOFError] :
+      DARWIN ? [Errno::EBADF, Errno::ECONNREFUSED, Errno::EPIPE, EOFError] :
         [Errno::ECONNREFUSED]
     end
   end