diff --git a/libvirt.spec.in b/libvirt.spec.in
index b5892987cf..0478139305 100644
--- a/libvirt.spec.in
+++ b/libvirt.spec.in
@@ -1288,7 +1288,9 @@ mv $RPM_BUILD_ROOT%{_datadir}/systemtap/tapset/libvirt_qemu_probes.stp \
 %endif
 
 %check
-VIR_TEST_DEBUG=1 %meson_test --no-suite syntax-check
+# Building on slow archs, like emulated s390x in Fedora copr, requires
+# raising the test timeout
+VIR_TEST_DEBUG=1 %meson_test --no-suite syntax-check --timeout-multiplier 10
 
 %post libs
 %if 0%{?rhel} == 7