diff --git a/ghc-lens.changes b/ghc-lens.changes
index afa9f4b..94f5812 100644
--- a/ghc-lens.changes
+++ b/ghc-lens.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Oct 17 12:20:00 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
+ 
+- force i686 arch on i586
+ 
 -------------------------------------------------------------------
 Tue Oct  6 08:56:30 UTC 2020 - psimons@suse.com
 
diff --git a/ghc-lens.spec b/ghc-lens.spec
index f1e9ab5..4908b4c 100644
--- a/ghc-lens.spec
+++ b/ghc-lens.spec
@@ -56,6 +56,12 @@ BuildRequires:  ghc-transformers-compat-devel
 BuildRequires:  ghc-transformers-devel
 BuildRequires:  ghc-unordered-containers-devel
 BuildRequires:  ghc-vector-devel
+# 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
 %if %{with tests}
 BuildRequires:  ghc-HUnit-devel
 BuildRequires:  ghc-QuickCheck-devel