diff --git a/supermin.spec b/supermin.spec
index 8d4f03b..ab170b8 100644
--- a/supermin.spec
+++ b/supermin.spec
@@ -19,7 +19,7 @@
 # See also:
 # https://github.com/libguestfs/supermin/commit/9bb57e1a8d0f3b57eb09f65dd574f702b67e1c2f
 
-%ifarch %{arm} %{ix86} x86_64
+%ifarch %{arm} %{ix86} x86_64 s390x
 %bcond_without dietlibc
 %else
 %bcond_with dietlibc
@@ -28,7 +28,7 @@
 Summary:       Tool for creating supermin appliances
 Name:          supermin
 Version:       5.1.16
-Release:       5%{?dist}
+Release:       6%{?dist}
 License:       GPLv2+
 
 %if 0%{?rhel} >= 7
@@ -172,6 +172,9 @@ make check || {
 
 
 %changelog
+* Thu Sep 15 2016 Dan Horák <dan[at]danny.cz> - 5.1.16-6
+- Switch to dietlibc on s390x
+
 * Thu Sep 15 2016 Dan Horák <dan[at]danny.cz> - 5.1.16-5
 - Do not break the binary on interpreted builds (#1375213)