diff --git a/builds/runtimes/python-3.1.5 b/builds/runtimes/python-3.1.5
index f538d93c445df51c31369a5688e36ac5fb726aa0..2a74e789856d586f8a513aa0c744d5bcf9d3a2e7 100755
--- a/builds/runtimes/python-3.1.5
+++ b/builds/runtimes/python-3.1.5
@@ -4,12 +4,10 @@
 
 OUT_PREFIX=$1
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/3.1.5/Python-3.1.5.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-3.1.5 src
-cd src
+source ./download_python
+download_python "3.1.5"
 
+cd src
 ./configure --prefix=$OUT_PREFIX --enable-shared
 make
 make install