diff --git a/README.md b/README.md
index 17f8e99..2e33219 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ pgloader is now a Common Lisp program, tested using the
     $ apt-get install sbcl
     $ apt-get install libsqlite3-dev
     $ cd /path/to/pgloader
-    $ echo `pwd` > ~/.config/common-lisp/source-registry.conf.d/pgloader.conf 
+    $ echo "(:tree `pwd`)" ~/.config/common-lisp/source-registry.conf.d/pgloader.conf 
 	$ make pgloader
 	$ ./build/pgloader.exe --help