diff --git a/org-auto-tangle.el b/org-auto-tangle.el
index 8be6471..95a8d0f 100644
--- a/org-auto-tangle.el
+++ b/org-auto-tangle.el
@@ -73,7 +73,8 @@ all Org buffers unless `#+auto_tangle: nil' is set.")
    (let ((args (list file)))
      `(lambda ()
 	(require 'org)
-	(let ((start-time (current-time)))
+	(let ((start-time (current-time))
+	      (non-essential t))
 	  (apply #'org-babel-tangle-file ',args)
 	  (format "%.2f" (float-time (time-since start-time))))))
    (let ((message-string (format "Tangling %S completed after" file)))