diff --git a/lxsession.spec b/lxsession.spec
index 65996fa..0ba5fe0 100644
--- a/lxsession.spec
+++ b/lxsession.spec
@@ -23,7 +23,7 @@ Summary:        LXDE Session Manager, required for running the desktop environme
 License:        GPL-2.0
 Group:          System/GUI/LXDE
 Url:            http://www.lxde.org/
-Source:         %{name}-%{version}.tar.zz
+Source:         %{name}-%{version}.tar.xz
 # PATCH-FIX-UPSTREAM marguerite@opensuse.org - can't build gtk2 generated .c file with gtk3
 #Patch0:         lxsession-0.4.9.3-gtk3-fix.patch
 # PATCH-FIX-UPSTREAM marguerite@opensuse.org - don't bump libgee version, it's no sense