diff --git a/Doc/Makefile b/Doc/Makefile
index d26117be1b8..8888cf6ef36 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -4,7 +4,7 @@
 #
 
 # You can set these variables from the command line.
-PYTHON       = python
+PYTHON       = python2.5
 SVNROOT      = http://svn.python.org/projects
 SPHINXOPTS   =