diff --git a/ghc-async.spec b/ghc-async.spec
index 83bda75..9805552 100644
--- a/ghc-async.spec
+++ b/ghc-async.spec
@@ -34,7 +34,6 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 # BEGIN cabal2spec
 Url:            http://hackage.haskell.org/package/%{pkg_name}
 Source0:        http://hackage.haskell.org/packages/archive/%{pkg_name}/%{version}/%{pkg_name}-%{version}.tar.gz
-ExclusiveArch:  %{ghc_arches} %{ix86} x86_64
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
 BuildRequires:  ghc-stm-devel