diff --git a/ghc-libxml-sax.changes b/ghc-libxml-sax.changes
index 09f5651..28dcc53 100644
--- a/ghc-libxml-sax.changes
+++ b/ghc-libxml-sax.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Oct 17 12:20:00 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
+ 
+- force i686 arch on i586
+ 
 -------------------------------------------------------------------
 Fri Sep  4 10:40:13 UTC 2020 - Peter Simons <psimons@suse.com>
 
diff --git a/ghc-libxml-sax.spec b/ghc-libxml-sax.spec
index e8f102e..e406877 100644
--- a/ghc-libxml-sax.spec
+++ b/ghc-libxml-sax.spec
@@ -32,6 +32,12 @@ BuildRequires:  ghc-xml-types-devel
 BuildRequires:  libxml2-devel
 BuildRequires:  pkgconfig
 BuildRequires:  pkgconfig(libxml-2.0)
+# 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
 Bindings for the libXML2 SAX interface.