diff --git a/ghc-scientific.spec b/ghc-scientific.spec
index 4ad00d6..f8003bd 100644
--- a/ghc-scientific.spec
+++ b/ghc-scientific.spec
@@ -28,7 +28,6 @@ Url:            http://hackage.haskell.org/package/%{pkg_name}
 Source0:        http://hackage.haskell.org/package/%{pkg_name}-%{version}/%{pkg_name}-%{version}.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
-ExclusiveArch:  %{ix86} x86_64 %{ghc_arches}
 BuildRequires:  fdupes
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros