diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 3e62a1c3..12963ebf 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -1926,7 +1926,8 @@ tp_debug_touch_state(struct tp_dispatch *tp,
 			t->pressure,
 			tp_touch_active(tp, t) ? "" : "inactive");
 	}
-	evdev_log_debug(device, "touch state: %s\n", buf);
+	if (buf[0] != '\0')
+		evdev_log_debug(device, "touch state: %s\n", buf);
 }
 
 static void