diff --git a/libvncserver.spec b/libvncserver.spec
index 121c85b..24161bb 100644
--- a/libvncserver.spec
+++ b/libvncserver.spec
@@ -16,7 +16,7 @@ URL:     http://libvncserver.sourceforge.net/
 # This source is made from
 # http://downloads.sf.net/libvncserver/LibVNCServer-%{version}.tar.gz
 # by deleting all .jar files.
-Source0:  LibVNCServer-%{version}-clean.tar.gz
+Source0:  LibVNCServer-%{version}-clean.tar.xz
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 Patch1: libvncserver-0.9.7-system_minilzo.patch