diff --git a/golang-github-cpuguy83-go-md2man.changes b/golang-github-cpuguy83-go-md2man.changes
index bb6112f..a93ca6e 100644
--- a/golang-github-cpuguy83-go-md2man.changes
+++ b/golang-github-cpuguy83-go-md2man.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Feb  1 16:57:17 CET 2018 - ro@suse.de
+
+- do not build on s390, only on s390x (no go on s390)
+
 -------------------------------------------------------------------
 Fri Mar  3 10:44:26 UTC 2017 - jmassaguerpla@suse.com
 
diff --git a/golang-github-cpuguy83-go-md2man.spec b/golang-github-cpuguy83-go-md2man.spec
index 5ca8b0b..b03985e 100644
--- a/golang-github-cpuguy83-go-md2man.spec
+++ b/golang-github-cpuguy83-go-md2man.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package golang
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -39,6 +39,7 @@ BuildRequires:  xz
 
 BuildRequires:  golang(github.com/russross/blackfriday)
 Requires:       golang(github.com/russross/blackfriday)
+ExcludeArch:    s390
 
 %{go_nostrip}
 %{go_provides}