diff --git a/ghc-byteorder.changes b/ghc-byteorder.changes
index 4c10597..8fdb695 100644
--- a/ghc-byteorder.changes
+++ b/ghc-byteorder.changes
@@ -1,7 +1,7 @@
 -------------------------------------------------------------------
 Thu Oct 17 12:20:00 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
  
-- force i686 arch on i586
+- disable %{ix86} build
  
 -------------------------------------------------------------------
 Tue Aug 18 10:44:13 UTC 2020 - Peter Simons <psimons@suse.com>
diff --git a/ghc-byteorder.spec b/ghc-byteorder.spec
index 7a1749b..3036960 100644
--- a/ghc-byteorder.spec
+++ b/ghc-byteorder.spec
@@ -26,12 +26,7 @@ URL:            https://hackage.haskell.org/package/%{pkg_name}
 Source0:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/%{pkg_name}-%{version}.tar.gz
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
-# GHC dont support i586
-%ifarch %{ix86}
-ExclusiveArch:  i586 i686
-ExclusiveArch:  i686
-%{expand:%%global optflags %(echo "%{optflags}"|sed -e s/i586/i686/) -march=i686 -mtune=generic}
-%endif
+ExcludeArch:    %{ix86}
 
 %description
 This package is for working with the native byte-ordering of the system.