diff --git a/gauche.spec b/gauche.spec
index 9bbe73f..0147af0 100644
--- a/gauche.spec
+++ b/gauche.spec
@@ -1,6 +1,6 @@
 Name:		gauche
 Version:	0.8.11
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	Scheme script interpreter with multibyte character handling
 
 Group:		Development/Languages
@@ -13,6 +13,7 @@ BuildRequires:	gdbm-devel
 BuildRequires:	texinfo
 Requires(post):	/sbin/install-info, /sbin/ldconfig
 Requires(postun): /sbin/install-info, /sbin/ldconfig
+ExcludeArch:    ppc64
 
 
 %description
@@ -121,6 +122,9 @@ fi
 
 
 %changelog
+* Sat Aug 18 2007 Gerard Milmeister <gemi@bluewin.ch> - 0.8.11-2
+- exclude arch ppc64
+
 * Sat Aug 18 2007 Gerard Milmeister <gemi@bluewin.ch> - 0.8.11-1
 - new release 0.8.11