diff --git a/ebtables.spec b/ebtables.spec
index 4d7a0bd..9aaf43a 100644
--- a/ebtables.spec
+++ b/ebtables.spec
@@ -39,7 +39,12 @@ can be used together with the other Linux filtering tools, like
 iptables. There are no incompatibility issues.
 
 %prep
+%if 0%{?__xz:1}
 %setup -q -n %name-v2.0.10-1
+%else
+tar -xf "%{S:0}" --use=xz;
+%seutp -DTq
+%endif
 %patch0
 %patch1
 %patch -P 2 -p1