diff --git a/pkgs/development/interpreters/python/2.6/default.nix b/pkgs/development/interpreters/python/2.6/default.nix
index 5df2322d4f60..4e36bfa17428 100644
--- a/pkgs/development/interpreters/python/2.6/default.nix
+++ b/pkgs/development/interpreters/python/2.6/default.nix
@@ -16,7 +16,7 @@ let
 
   src = fetchurl {
     url = "http://www.python.org/ftp/python/${version}/Python-${version}.tar.bz2";
-    md5 = "0p0fd8i533zsdm6gc0jmhmdifccx4v064mh0i1hl2s6fcjhc20j5";
+    sha256 = "0p0fd8i533zsdm6gc0jmhmdifccx4v064mh0i1hl2s6fcjhc20j5";
   };
   
   patches =