diff --git a/sys/sparc64/sbus/sbus.c b/sys/sparc64/sbus/sbus.c
index 325f7f04978b..30c10fb4ef77 100644
--- a/sys/sparc64/sbus/sbus.c
+++ b/sys/sparc64/sbus/sbus.c
@@ -411,7 +411,7 @@ sbus_attach(device_t dev)
 	    INTIGN(vec = rman_get_start(sc->sc_ot_ires)) != sc->sc_ign ||
 	    INTVEC(SYSIO_READ8(sc, SBR_THERM_INT_MAP)) != vec ||
 	    intr_vectors[vec].iv_ic != &sbus_ic ||
-	    bus_setup_intr(dev, sc->sc_ot_ires, INTR_TYPE_MISC | INTR_BRIDGE,
+	    bus_setup_intr(dev, sc->sc_ot_ires, INTR_TYPE_MISC | INTR_BRIDGE | INTR_MPSAFE,
 	    NULL, sbus_overtemp, sc, &sc->sc_ot_ihand) != 0)
 		panic("%s: failed to set up temperature interrupt", __func__);
 	i = 3;
@@ -421,7 +421,7 @@ sbus_attach(device_t dev)
 	    INTIGN(vec = rman_get_start(sc->sc_pf_ires)) != sc->sc_ign ||
 	    INTVEC(SYSIO_READ8(sc, SBR_POWER_INT_MAP)) != vec ||
 	    intr_vectors[vec].iv_ic != &sbus_ic ||
-	    bus_setup_intr(dev, sc->sc_pf_ires, INTR_TYPE_MISC | INTR_BRIDGE,
+	    bus_setup_intr(dev, sc->sc_pf_ires, INTR_TYPE_MISC | INTR_BRIDGE | INTR_MPSAFE,
 	    NULL, sbus_pwrfail, sc, &sc->sc_pf_ihand) != 0)
 		panic("%s: failed to set up power fail interrupt", __func__);