diff --git a/ghc-cmdargs.spec b/ghc-cmdargs.spec
index 1f69c6e..6cd7d69 100644
--- a/ghc-cmdargs.spec
+++ b/ghc-cmdargs.spec
@@ -9,24 +9,20 @@
 %global common_description This library provides an easy way to define command line \
 parsers.
 
-%global ghc_pkg_deps ghc-transformers-devel
-
 Name:           ghc-%{pkg_name}
 Version:        0.7
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Haskell %{pkg_name}
 
 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
-# fedora ghc archs:
-ExclusiveArch:  %{ix86} x86_64 ppc alpha sparcv9 ppc64
-BuildRequires:  ghc, ghc-doc, ghc-prof
-# macros for building haskell packages
-BuildRequires:  ghc-rpm-macros >= 0.7.3
+ExclusiveArch:  %{ghc_arches}
+BuildRequires:  ghc-Cabal-devel
+BuildRequires:  ghc-rpm-macros
 BuildRequires:  hscolour
-%{?ghc_pkg_deps:BuildRequires:  %{ghc_pkg_deps}, %(echo %{ghc_pkg_deps} | sed -e "s/\(ghc-[^, ]\+\)-devel/\1-doc,\1-prof/g")}
+BuildRequires:  ghc-transformers-prof
 
 %description
 %{common_description}
@@ -52,6 +48,9 @@ rm -vf %{buildroot}/%{_bindir}/%{pkg_name}
 
 
 %changelog
+* Fri Jun 24 2011 Jens Petersen <petersen@redhat.com> - 0.7-3
+- BR ghc-Cabal-devel instead of ghc-prof and use ghc_arches (cabal2spec-0.23.2)
+
 * Wed May 11 2011 Ben Boeckel <mathstuf@gmail.com> - 0.7-2
 - Update to cabal2spec-0.22.7