diff --git a/sys/modules/ath/Makefile b/sys/modules/ath/Makefile
index 5cbfeda19d5c..96e349eb51ab 100644
--- a/sys/modules/ath/Makefile
+++ b/sys/modules/ath/Makefile
@@ -36,7 +36,7 @@ ATH_RATE?=	sample		# tx rate control algorithm
 
 KMOD=	if_ath
 SRCS=	if_ath.c if_ath_debug.c if_ath_keycache.c if_ath_sysctl.c
-SRCS+=	if_ath_tx.c if_ath_tx_ht.c if_ath_led.c
+SRCS+=	if_ath_tx.c if_ath_tx_ht.c if_ath_led.c if_ath_rx.c
 # NB: v3 eeprom support used by both AR5211 and AR5212; just include it
 SRCS+=	ah_osdep.c ah.c ah_regdomain.c ah_eeprom_v3.c
 SRCS+=	device_if.h bus_if.h pci_if.h opt_inet.h opt_ath.h opt_ah.h opt_wlan.h