diff --git a/ghc-brick.changes b/ghc-brick.changes
index aa10fe9..1860a6f 100644
--- a/ghc-brick.changes
+++ b/ghc-brick.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Oct 17 12:20:00 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
+ 
+- force i686 arch on i586
+ 
 -------------------------------------------------------------------
 Sun Nov 15 22:16:04 UTC 2020 - psimons@suse.com
 
diff --git a/ghc-brick.spec b/ghc-brick.spec
index 1043394..2861fbf 100644
--- a/ghc-brick.spec
+++ b/ghc-brick.spec
@@ -50,6 +50,12 @@ BuildRequires:  ghc-unix-devel
 BuildRequires:  ghc-vector-devel
 BuildRequires:  ghc-vty-devel
 BuildRequires:  ghc-word-wrap-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-QuickCheck-devel
 %endif