diff --git a/sys/dev/atkbdc/psm.c b/sys/dev/atkbdc/psm.c
index 7ef32a4e58f..a82a767cb7c 100644
--- a/sys/dev/atkbdc/psm.c
+++ b/sys/dev/atkbdc/psm.c
@@ -5102,7 +5102,7 @@ enable_trackpoint(struct psm_softc *sc, enum probearg arg)
 	id = read_aux_data(kbdc);
 	if (id < 0x01)
 		return (FALSE);
-	if (sc != NULL)
+	if (arg == PROBE)
 		sc->tphw = id;
 	if (!trackpoint_support)
 		return (FALSE);