diff --git a/blis.spec b/blis.spec
index f8a82ce..cd284c8 100644
--- a/blis.spec
+++ b/blis.spec
@@ -136,7 +136,10 @@ BLIS architecture macros.
 %{?dts6:. /opt/rh/devtoolset-8/enable}
 case %_arch in
 x86_64) arch=x86_64 ;;
-aarch64) arch=cortexa57 ;; # apparently will run on all aarch64
+# a57 runs on all aarch64 and the optimized micro-kernel should be a
+# better default than generic.
+aarch64) arch=cortexa57 ;;
+armv7hl) arch=cortexa9 ;;	# Similarly to aarch64
 *) arch=generic ;;
 esac
 
@@ -374,6 +377,9 @@ export LD_LIBRARY_PATH=`pwd`/serial/lib
 %{macrosdir}/macros.blis-srpm
 
 %changelog
+* Sun Mar 15 2020 Dave love <loveshack@fedoraproject.org> - 0.6.0-5
+- Use cortexa9 config on arm32, rather than generic
+
 * Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.0-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild