diff --git a/dotconf.spec b/dotconf.spec
index f9efbd6..23f7b1c 100644
--- a/dotconf.spec
+++ b/dotconf.spec
@@ -1,6 +1,6 @@
 Name:		dotconf
 Version:	1.0.13
-Release:	6%{?dist}
+Release:	7%{?dist}
 Summary:	Libraries to parse configuration files
 
 Group:		System Environment/Libraries
@@ -36,6 +36,8 @@ developing applications that use %{name}.
 %patch1 -p1
 %patch2 -p1
 
+# Override config.{guess,sub}
+cp -p /usr/lib/rpm/config.{guess,sub} .
 
 %build
 %configure --disable-static
@@ -79,6 +81,10 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/pkgconfig/dotconf.pc
 
 %changelog
+* Thu Jul 03 2008 Mamoru Tasaka <mtasaka@ioa.s.u-tokyo.ac.jp> - 1.0.13-7
+- Override config.{sub,guess} explicitly due to redhat-rpm-build-config
+  behavior change on F-10+, otherwise build fails on ppc64
+
 * Sun Mar 09 2008 Assim Deodia<assim.deodia@gmail.com> 1.0.13-6
 - fixed m4-underquote error