diff --git a/pkgs/development/interpreters/python/3.3/default.nix b/pkgs/development/interpreters/python/3.3/default.nix
index 7baecad76c6b..d81033a59139 100644
--- a/pkgs/development/interpreters/python/3.3/default.nix
+++ b/pkgs/development/interpreters/python/3.3/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
   inherit majorVersion version;
 
   src = fetchurl {
-    url = "http://www.python.org/ftp/python/${version}/Python-${version}.tar.bz2";
+    url = "http://www.python.org/ftp/python/3.3.1/Python-${version}.tar.bz2";
     sha256 = "1pnsbdzbd3750jcy32sv1760lv7am4x3f33jn1kmdmd82za279gv";
   };