diff --git a/ghc-texmath.spec b/ghc-texmath.spec
index 8a1a014..624b602 100644
--- a/ghc-texmath.spec
+++ b/ghc-texmath.spec
@@ -8,16 +8,15 @@ parse and apply LaTeX macros.
 
 Name:           ghc-%{pkg_name}
 Version:        0.5.0.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        %{common_summary}
 
 Group:          System Environment/Libraries
 License:        GPLv2+
 URL:            http://hackage.haskell.org/package/%{pkg_name}
 Source0:        http://hackage.haskell.org/packages/archive/%{pkg_name}/%{version}/%{pkg_name}-%{version}.tar.gz
-# fedora ghc archs:
-ExclusiveArch:  %{ix86} x86_64 ppc alpha sparcv9 ppc64
-BuildRequires:  ghc-prof
+ExclusiveArch:  %{ghc_arches}
+BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
 BuildRequires:  hscolour
 BuildRequires:  ghc-parsec-prof, ghc-syb-prof, ghc-xml-prof
@@ -45,6 +44,9 @@ rm -r $RPM_BUILD_ROOT%{_datadir}/%{pkg_name}-%{version}
 
 
 %changelog
+* Wed Jun 22 2011 Jens Petersen <petersen@redhat.com> - 0.5.0.1-2
+- BR ghc-Cabal-devel instead of ghc-prof and use ghc_arches (cabal2spec-0.23.2)
+
 * Sat May 28 2011 Jens Petersen <petersen@redhat.com> - 0.5.0.1-1
 - update to 0.5.0.1
 - update to cabal2spec-0.23: add ppc64