diff --git a/ghc-utf8-string.spec b/ghc-utf8-string.spec
index 43672bc..2a08fb4 100644
--- a/ghc-utf8-string.spec
+++ b/ghc-utf8-string.spec
@@ -8,15 +8,14 @@ UTF8 without truncation.
 
 Name:           ghc-%{pkg_name}
 Version:        0.3.6
-Release:        10%{?dist}
+Release:        11%{?dist}
 Summary:        %{common_summary}
 
 Group:          System Environment/Libraries
 License:        BSD
 URL:            http://hackage.haskell.org/package/%{pkg_name}
 Source0:        http://hackage.haskell.org/packages/archive/%{pkg_name}/%{version}/%{pkg_name}-%{version}.tar.gz
-# ghc_excluded_archs is defined in redhat-rpm-config
-ExcludeArch:    %{ghc_excluded_archs}
+ExclusiveArch:  %{ghc_arches}
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
 BuildRequires:  hscolour
@@ -42,6 +41,9 @@ BuildRequires:  ghc-bytestring-prof
 
 
 %changelog
+* Tue Jun 21 2011 Jens Petersen <petersen@redhat.com> - 0.3.6-11
+- ghc_arches replaces ghc_excluded_archs
+
 * Mon Jun 20 2011 Jens Petersen <petersen@redhat.com> - 0.3.6-10
 - BR ghc-Cabal-devel and use ghc_excluded_archs