diff --git a/libguestfs.spec b/libguestfs.spec
index f855096..4ca5348 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -17,7 +17,7 @@
 # aarch64: "MSI is not supported by interrupt controller" (RHBZ#1414081)
 # i686:    constantly broken, so I have disabled it, probably forever
 # ppc64le: kernel doesn't boot on qemu (RHBZ#1435873)
-%global test_arches ppc64 x86_64
+%global test_arches ppc64 s390x x86_64
 
 # Trim older changelog entries.
 # https://lists.fedoraproject.org/pipermail/devel/2013-April/thread.html#181627