diff --git a/FlightGear.spec b/FlightGear.spec
index e27d33c..638cac1 100644
--- a/FlightGear.spec
+++ b/FlightGear.spec
@@ -28,6 +28,10 @@ BuildRequires:	qt5-qtdeclarative-devel, qt5-qtsvg-devel, qt5-linguist
 Requires:       FlightGear-data >= %{version}, opengl-games-utils
 Requires:       hicolor-icon-theme
 
+# There are build problems on s390x, see
+# https://koji.fedoraproject.org/koji/taskinfo?taskID=56448760
+ExcludeArch:    s390x
+
 %description
 The Flight Gear project is working to create a sophisticated flight
 simulator framework for the development and pursuit of interesting
@@ -82,8 +86,9 @@ ln -s opengl-game-wrapper.sh $RPM_BUILD_ROOT%{_bindir}/fgfs-wrapper
 %{_datadir}/metainfo/*.metainfo.xml
 
 %changelog
-* Sun Nov 29 2020 Fabrice Bellet <fabrice@bellet.info> - 2020.3.3-1
+* Mon Nov 30 2020 Fabrice Bellet <fabrice@bellet.info> - 2020.3.3-1
 - new upstream release
+- temporary exclude arch s390x
 
 * Mon Nov 09 2020 Fabrice Bellet <fabrice@bellet.info> - 2020.3.2-1
 - new upstream release