diff --git a/features/file-upload.xml b/features/file-upload.xml
index e2000400aa..d11df3a1a8 100644
--- a/features/file-upload.xml
+++ b/features/file-upload.xml
@@ -83,6 +83,10 @@ Send this file: <INPUT NAME="userfile" TYPE="file">
 // Make sure file is coming from upload directory
 $uploadpath = get_cfg_var('upload_tmp_dir') . '/' . basename($userfile);
 
+// If you have not set your TMPDIR in pnp.ini, the following line
+// can be uncommented, and used instead of the above line
+// $uploadpath = dirname(tempnam('', '')) . '/' . basename($userfile);
+
 if (file_exists($uploadpath)){
 	copy ("$uploadpath", "/place/to/put/uploaded/file");
 	} else {