diff --git a/arch/arm/configs/rk3066_sdk_defconfig b/arch/arm/configs/rk3066_sdk_defconfig
index 108a293e0b83..eec7de51fd82 100755
--- a/arch/arm/configs/rk3066_sdk_defconfig
+++ b/arch/arm/configs/rk3066_sdk_defconfig
@@ -205,6 +205,7 @@ CONFIG_PHYLIB=y
 # CONFIG_NETDEV_10000 is not set
 CONFIG_WLAN_80211=y
 CONFIG_RKWIFI=y
+CONFIG_RKWIFI_26M=y
 CONFIG_USB_USBNET=y
 CONFIG_PPP=y
 CONFIG_PPP_MULTILINK=y