diff --git a/testing/README b/testing/README
index c36ad3f23..add3c4fb0 100644
--- a/testing/README
+++ b/testing/README
@@ -1,6 +1,6 @@
 # -*- mode:org -*-
 #+TITLE: Org mode Testing
-#+PROPERTY: results silent
+#+PROPERTY: header-args:emacs-lisp :results silent
 
 * Dependencies