--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -915,7 +915,7 @@ ath_attach(u_int16_t devid, struct net_d
 	ic->ic_ath_cap = 0;
 	sc->sc_fftxqmin = ATH_FF_TXQMIN;
 #ifdef ATH_SUPERG_FF
-	ic->ic_ath_cap |= (ath_hal_fastframesupported(ah) ? 
+	ic->ic_ath_cap |= (ah->ah_macType >= 5212 ?
 			IEEE80211_ATHC_FF : 0);
 #endif
 	ic->ic_ath_cap |= (ath_hal_burstsupported(ah) ? 
