diff --git a/meson.changes b/meson.changes
index cbc0fb1..92ced98 100644
--- a/meson.changes
+++ b/meson.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Aug 10 10:52:48 UTC 2022 - Dirk Müller <dmueller@suse.com>
+
+- mono-core is available on s390x now
+- make mono dependency an build-conditional
+
 -------------------------------------------------------------------
 Fri Jun 24 12:53:02 UTC 2022 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/meson.spec b/meson.spec
index 0115aa7..69cd75f 100644
--- a/meson.spec
+++ b/meson.spec
@@ -26,6 +26,7 @@
 %endif
 
 %bcond_with     setuptools
+%bcond_with     mono
 %define _name   mesonbuild
 %{!?vim_data_dir:%global vim_data_dir %{_datadir}/vim}
 Name:           meson%{name_ext}
@@ -114,8 +115,7 @@ BuildRequires:  python2-PyYAML
 BuildRequires:  libboost_python-devel
 BuildRequires:  python2-devel
 %endif
-%ifnarch s390x
-# csharp is not on s390 machines
+%if %{with mono}
 BuildRequires:  mono(csharp)
 %endif
 %endif