diff --git a/sys/dev/ath/if_ath.c b/sys/dev/ath/if_ath.c
index 2ff1d1c9ce72..3a6ae8ef9be3 100644
--- a/sys/dev/ath/if_ath.c
+++ b/sys/dev/ath/if_ath.c
@@ -781,6 +781,11 @@ ath_attach(u_int16_t devid, struct ath_softc *sc)
 		ath_hal_getrxchainmask(ah, &sc->sc_rxchainmask);
 		ath_hal_gettxchainmask(ah, &sc->sc_txchainmask);
 
+		device_printf(sc->sc_dev, "Chainmasks: TX=0x%x; RX=0x%x\n",
+		    __func__,
+		    sc->sc_txchainmask,
+		    sc->sc_rxchainmask);
+
 		ic->ic_txstream = txs;
 		ic->ic_rxstream = rxs;