diff --git a/macros b/macros
index 05e3169..e13596a 100644
--- a/macros
+++ b/macros
@@ -134,7 +134,7 @@ print(result)
 # Architecture-specific support.  Internal.  Do not use directly.
 
 # Also used for s390.
-__cflags_arch_s390x \
+%__cflags_arch_s390x \
 %[0%{?rhel} >= 8 ? "-march=z13 -mtune=z13" : "-march=zEC12 -mtune=z13"]
 
 #==============================================================================
diff --git a/redhat-rpm-config.spec b/redhat-rpm-config.spec
index f3ff0ea..da88583 100644
--- a/redhat-rpm-config.spec
+++ b/redhat-rpm-config.spec
@@ -6,7 +6,7 @@
 
 Summary: Red Hat specific rpm configuration files
 Name: redhat-rpm-config
-Version: 173
+Version: 174
 Release: 1%{?dist}
 # No version specified.
 License: GPL+
@@ -213,7 +213,7 @@ install -p -m 644 -t %{buildroot}%{_rpmluadir}/fedora/srpm forge.lua
 %{_rpmconfigdir}/macros.d/macros.kmp
 
 %changelog
-* Mon Oct  5 2020 Florian Weimer <fweimer@redhat.com> - 173-1
+* Mon Oct  5 2020 Florian Weimer <fweimer@redhat.com> - 174-1
 - s390x: Switch Fedora ELN to z13 baseline
 
 * Fri Sep 11 2020 Miro Hrončok <mhroncok@redhat.com> - 172-1