diff --git a/tests/testdisplay_hotplug.c b/tests/testdisplay_hotplug.c
index 6e33ef3..cb98a82 100644
--- a/tests/testdisplay_hotplug.c
+++ b/tests/testdisplay_hotplug.c
@@ -46,6 +46,8 @@ static gboolean hotplug_event(GIOChannel *source, GIOCondition condition,
 	struct stat s;
 	const char *hotplug;
 
+	igt_info("hotplug event\n");
+
 	dev = udev_monitor_receive_device(uevent_monitor);
 	if (!dev)
 		goto out;