diff --git a/drivers/net/wireless/intel/ipw2x00/Kconfig b/drivers/net/wireless/intel/ipw2x00/Kconfig
index 5e98be664d38..b92df91adb3a 100644
--- a/drivers/net/wireless/intel/ipw2x00/Kconfig
+++ b/drivers/net/wireless/intel/ipw2x00/Kconfig
@@ -155,6 +155,7 @@ config LIBIPW
 	select WIRELESS_EXT
 	select CRYPTO
 	select CRYPTO_MICHAEL_MIC
+	select CRYPTO_LIB_ARC4
 	select CRC32
 	help
 	This option enables the hardware independent IEEE 802.11