diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index 4985b2b..332d6f2 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -1,4 +1,5 @@
 ath9k-y +=	beacon.o \
+		gpio.o \
 		main.o \
 		recv.o \
 		xmit.o \