diff --git a/sys/dev/ath/if_ath.c b/sys/dev/ath/if_ath.c
index 968b424b03d..84cbd00e3ec 100644
--- a/sys/dev/ath/if_ath.c
+++ b/sys/dev/ath/if_ath.c
@@ -722,6 +722,13 @@ ath_attach(u_int16_t devid, struct ath_softc *sc)
 	}
 #endif
 
+	/*
+	 * Initial aggregation settings.
+	 */
+	sc->sc_hwq_limit = ATH_AGGR_MIN_QDEPTH;
+	sc->sc_tid_hwq_lo = ATH_AGGR_SCHED_LOW;
+	sc->sc_tid_hwq_hi = ATH_AGGR_SCHED_HIGH;
+
 	/*
 	 * Check if the hardware requires PCI register serialisation.
 	 * Some of the Owl based MACs require this.
@@ -1823,13 +1830,6 @@ ath_init(void *arg)
 	 */
 	sc->sc_beacons = 0;
 
-	/*
-	 * Initial aggregation settings.
-	 */
-	sc->sc_hwq_limit = ATH_AGGR_MIN_QDEPTH;
-	sc->sc_tid_hwq_lo = ATH_AGGR_SCHED_LOW;
-	sc->sc_tid_hwq_hi = ATH_AGGR_SCHED_HIGH;
-
 	/*
 	 * Setup the hardware after reset: the key cache
 	 * is filled as needed and the receive engine is