diff --git a/bindings/python/INSTALL b/bindings/python/INSTALL
index c896f21a2..56ebfc6fc 100644
--- a/bindings/python/INSTALL
+++ b/bindings/python/INSTALL
@@ -1,7 +1,9 @@
 To install this python extension, you just have to type :
 
-# python setup.py build
-# sudo python setup.py install
+$ python2.3-pyrexc gphoto2.pyx
+
+$ python setup.py build
+$ sudo python setup.py install
 
 then you can run the test program :
-# python gptest.py
+$ python gptest.py