diff --git a/ghc-tasty.changes b/ghc-tasty.changes
index 5dda6f0..783ec7a 100644
--- a/ghc-tasty.changes
+++ b/ghc-tasty.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 Aug 18 10:46:10 UTC 2020 - Peter Simons <psimons@suse.com>
 
diff --git a/ghc-tasty.spec b/ghc-tasty.spec
index 235a617..ca2522a 100644
--- a/ghc-tasty.spec
+++ b/ghc-tasty.spec
@@ -37,6 +37,12 @@ BuildRequires:  ghc-tagged-devel
 BuildRequires:  ghc-unbounded-delays-devel
 BuildRequires:  ghc-unix-devel
 BuildRequires:  ghc-wcwidth-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
 
 %description
 Tasty is a modern testing framework for Haskell. It lets you combine your unit