diff --git a/test/litest.c b/test/litest.c
index 3befc717..c29d192b 100644
--- a/test/litest.c
+++ b/test/litest.c
@@ -1546,6 +1546,7 @@ litest_add_device_with_overrides(struct libinput *libinput,
 
 	d->libinput = libinput;
 	d->libinput_device = libinput_path_add_device(d->libinput, path);
+	litest_assert_ptr_notnull(d->libinput_device);
 	ud = libinput_device_get_udev_device(d->libinput_device);
 	d->quirks = quirks_fetch_for_device(quirks_context, ud);
 	udev_device_unref(ud);