diff --git a/libSM.spec b/libSM.spec
index a26851e..0f1efc5 100644
--- a/libSM.spec
+++ b/libSM.spec
@@ -5,9 +5,10 @@ Release: 3
 License: MIT/X11
 Group: System Environment/Libraries
 URL: http://www.x.org
-Source0: http://xorg.freedesktop.org/releases/individual/lib/%{name}-%{version}.tar.bz2
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
+Source0: ftp://ftp.x.org/pub/individual/lib/%{name}-%{version}.tar.bz2
+
 BuildRequires: pkgconfig
 BuildRequires: xorg-x11-proto-devel
 BuildRequires: xorg-x11-xtrans-devel